The 10 Best 360 Dash Cam For Car Of 2024, Tested By Our Experts

4K ULTRA HD RECORDING – The Rove R2-4k dash camera can record videos up to a resolution of 2160p. The ultra hd video recording quality is so good that you will notight Sce much more clarity and quality difference than all other car dash cams. Revolutionary Super Night Vision Technology (Ultra-low liensor NT96660 + SONY IMX335) helps to get comparatively clearer footage and images from the recording in low light condition

FEATURES WITH STATE OF THE ART TECHNOLOGY INCLUDED – The car dashboard camera has f1.8 apertures (the largest in the industry), parking mode, motion detection, 150° A+ wide angle lens, G-sensor, loop cycle recording, emergency video lock, time-lapse video, slow-mo video, supports up to 512GB class 10 - U3 speed micro SD card (NOTE: MEMORY CARD NOT INCLUDED - We recommend ROVE Ultimate Micro SD Cards)

BUILT-IN WiFi – Use the ROVE App to view and manage dash cam recordings instantly on your iOS and android devices. By using the app you can download your recorded 4k videos directly to your smart phone and then easily share these on social media with friends and family

DASH CAM WITH GPS – Built-in GPS accurately records your driving location and speed. View your driving route and tracker on google maps via Wi-Fi using the App or with our Car DV Player. We provide FREE Firmware Upgrade for this car camera

100% USA-CHICAGO BASED CUSTOMER-CENTRIC COMPANY & CUSTOMER CARE – This dash camera for cars is backed by full 1-YEAR WARRANTY. You can text us for (Faster Response) or Email our customer care and we will answer any of your questions and resolve arising issues fast. If you’re having any doubts, it comes with a FULL REFUND within 30 DAYS

【Infrared Night Vision Car Camera for Drivers】With high-performance Sony STARVIS CMOS sensor, a big F1.4 aperture 6-glass lens observing road front, F1.8 6-glass lens observing rear, this car camera is able to increase exposure automatically in dark situations for capture clear videos footage; 4 IR LED lights facing the car cabin, which can accurately capture the driver and passengers even when the cabin is completely dark, perfect for rideshare drivers such as Uber, Lyft and Taxi.

【Three Channel Front Inside Rear Dash Cam】The N4 is a triple channel dash cam which offers 155° front camera, 165° inside camera and 160° rear camera, it can simultaneously monitor the front, rear, and interior of your vehicle while providing audio at 1440P + 1080P + 1080P, protecting you from potential accidents and liability issues.

【24 Hours Parking Mode】With low bitrate recording parking mode, the dash cam will keeps recording continuously and decreases the quality of the video to maximize the recording quantity. While the motion detection or collision detection parking mode allows the camera to automatically initiate recording when triggered by a motion or collision event. The 3 channel dash cam should be connected to the hardwire kit at all times (buy extra ASIN B083XB8T7T) or an external battery.

【18m Warranty】This camera comes with an extendable 18-month warranty, costumer support through email within 24 hours, and a 100% satisfaction guarantee. Also, the product will receive firmware updates for continuous improvements and new features. Note: It DOESN’T support WiFi or Bluetooth.

【Reliable Witness for Accident】Variable sensitivity G-sensor auto detects sudden shake/collision and emergency locks the footage to event folder following impact. Loop recording auto overwrite the oldest file when card is full. Auto LCD off avoid distracting. Optional GPS (need to buy separately B083XBS88L) to track route, location and speed in KM/H or MP/H. Capable of housing up to 256GB of external memory (not in the box, recommend Vantrue sd card).

【1440P & 1080P Front and Inside Dual Dash Cam】You can configure the settings to record the front and interior of your whole cabin in 1440P + 1080P high resolution. The adjustable inside camera ensures more flexibility and better viewing, ideal for rideshare drivers that may need to present proof of activities within the vehicle.

【4K & 1080P Front and Rear Dual Dash Cam】When set to front and rear dual recording mode, the cam provides a 4K 2160P resolution front camera and a 1080P rear camera. The rear cam is easily 360° adjustable with 20ft extension cable, and it works well for cars, SUVs, jeeps, and truck. The front camera can seamlessly record up to 4K when used alone, enabling clear capturing of license plates and road signs.

【Heat Resistant with Super Capacitor】This camera is powered by a super capacitor built to survive extreme weather conditions from 14°F to 158°F, making it ideal for extreme hot-weather or cold-weather areas. The super capacitor also extends the lifespan of the batteries further than lithium-ion batteries.

[Loop Recording and Emergency Accident Locks] To assure indefinite loop recording, the oldest unlocked footage will be automatically erased when the memory card reaches its maximum storage capacity. Supports class 10 or above micro-SD cards up to 512GB and loop recording for 1, 2, or 3 minutes. Once the built-in G-sensor senses a collision, the D30 dash cam will automatically lock the currently recording footage as evidence of an event. Loop Recording will not overwrite the locked files.

[24H Parking Monitor] To leave it running while parked, you must get an ACC hardwire kit with low battery voltage sensing (not included). Dash cameras can be a well-hidden witness to the road in front of them thanks to their distinctive low-profile design. The two cameras may be turned 50 degrees left and right and 180 degrees forward and backward.

[Quality Night Vision and WDR Technology] The cabin cameras have an F1.8 aperture and 4 infrared lights. In addition to producing incredibly clear recordings, its image performance will be far superior to that of other dash cams at night. The two cameras also have the latest, most sensitive night vision image sensor integrated right into them, so they can capture stunning images even in pitch-black spaces at night.

[Easy Installation with No Battery] With the help of the reference images in our user manual, this D30 dash camera is very simple to install and use. The accompanying suction mount is simple to install in a matter of seconds on your windshield. Add an SD card (not provided) and link to the power source. There is no battery included to prevent against mishaps from sun exposure, hot temperatures inside the automobile, or battery damage.

[Dual FHD 1080P Cam with GPS] Each of the front and cabin cameras records in 1080P at 30fps or in single-channel 2160P at 24fps (multiple resolution options). Each camera has a 150° wide angle and a maximum viewing angle of 300° with nearly no blind spots. The 2.0-inch LCD's size enables for a wider, clearer vision. Your driving position and speed are correctly recorded by the built-in GPS. You can view your driving route and tracker. For family road trips or use with Uber, Lyft, taxis, or cabs

🥰 🥰 Front and rear dash cam with 32G SD Card, already inserted in Dash Car Camera. As a seller of dash cam and suppliers of other car camera sellers, we have collected the earliest data and feedback to upgrade our products, improve problems, and provide a 100-point great after-sales experience. or you can get the longer extension cable for the rear camera if you need it.( it is 6M's rear cam cable in the package) Please trust us, trust your choice.

🛍️ 【Wide Angle Front and Rear Dash Cam】Dash cam front camera for car comes with 170°wide field of vision and 140° for dash cam rear. Ultra-wide field of car cameras reduces the blind spots and captures more details, also, 👉 there are 4 lens switching method that you can choose, security camera for car.

🛍️ 【1080P Full HD Dash Cams with USB Port】Car camera charger with USB port , 👉 no worry about the charging problems of mobile phones/mobile electronic devices even thought using this dual dash cam. Combines the f1.8 aperture and WDR tech, you can playback each clear detail on car dash cam or PC. ( VERY IMPORTANT ) Please do not using our usb cable as the dash cams charger, or maybe lead to the front camera can works but rear camera can not display!

🛍️ 【Car Cameras with 32G SD Card】Dash cam front camera 3 Inches IPS Screen car on-dash mounted cameras with 32GB SD card can endless working under Loop Recording function. 👉 No worry about this dash cam front and rear will full of storage! Dash cam front and back combined with So ny sensor, you will get 30fps videos and 12MP pictures with this dashcams for cars front and rear.

🛍️【G-sensor On Car Camera - Dash Cam Front and Rear】Our car safety camera can auto detect and lock the driving recording that we need. Truly restored the driving video/photo with highly sensitivity. 👉 You can also set the camera for car to turn off the screen auto but still keep recording. （30seconds/1Min/2Min）

🛍️【Plug and Play Front Dashcam for Car】You will find that you can easily and securely mount the suction cup to your windshield in seconds. This car dash camera's operation is still simple and friendly for new users. If you don't need the Reversing Mode, ther rear camera also can be very easily, just install and hide the wire. 👉 Please note, use the needle to insert the little hole on the " RES" button, you can rest the factory setting, can fix the freeze /or other little questions well.

🥰 🥰 As a supplier of dash dual cams, we have had feedback like this: the rear camera does not display/how to turn off the sound/how to play the rear mirror file or play it on the computer (1:something wront with the installation, please email the user munal's mailbox. 2: press "down button" speedly turn on/off the audio. 3: Long press "up/down button" to switch the Rront and Rear recording file when you on playback mode, A20 car dash camera Support: MOV computer playback Format)

🥰 🥰 About the Battery: all the battery of car dash cam in the market, only support auto turn on and recording a short time for the urgent situation when you parking. Need to plug the dual dash cams charger all the time. Do not use the free USB Cable as the Charger, the cable and the USB card reader only used to connect with your computer and playback the recording file.

🥰 🥰 Some Important Function Settings for this car security cameraon daily use : Select "low" for the gravity sensor level, or turn it off / Loop recording select "3 minutes" / Select "off" for motion detection / Parking monitor select "on". Promise here: Really 1080P front dash cam. Please note: press "M" button to switch the Vidoe/Photo/Playback 3 Mode．

🥰 🥰 Installation of Dual Dash Camera - Car Rear Dash Cam Cable : Way 1: Connect the red part of rear camera cable with the positive pole of reversing light, so that it will appear reversing mode when you parking, No recording when you reversing. Way 2: If your car already have built in reversing system monitor, NO NEED TO CONNECT THE RED WIRE, Just wrap it directly with tape. Install and hide the cable is ok! At this period, the rear camera can keep recording at reversing period.

🚗【Dash Camera for Cars Front and Rear Dual Protection】- Dash camera front and rear automatically recording at the same time when you start car engine which provides double protection for your safety. The 170°wide-angle dual dash cam front and rear easily covers 4 channels without visual blind spots, while the 140°waterproof car backup camera monitors the rear road conditions of your vehicle to ensure a safer daily driving environment

💞💞👉Kindly Reminder for The Dash Cam Front and Back: We suggest some important function settings for your daily using: G-Sensor level choose" low" or turn off; loop recording choose“3 minutes”; motion detection and parking monitor choose"off" when you driving, dash cam recorder front and rear. Please note 1. press the" M " button to switch the Vidoe/Photo/Playback 3 Mode. 2. use the pin to poke the " RES" hole, you can rest the factory setting to fix the freeze /or other little questions well

🚕【Plug and Play Front and Rear Dash Cam】- This dashcam rear and front are straightforward to install and operate. The included suction mount could be easily attached anywhere on your windshield in seconds. Just plug in the SD card (package included) and connect to the power supply. The car camera front and rear will start recording immediately after igniting. Meantime, you can playback videos of each clear detail on the car dash cam or PC

💞💞ssontong Brand strives to develop in-vehicle products, such as dash cam, rear camera, obd power cables, dash cam hardwire kit, extension cable of the rear camera. All parts and accessories sold by ssontong are manufactured according to the strictest industry standards, providing you with the good and most cost-effective products. Meantime, we promise to provide Good intimate and satisfactory shopping service. Any questions, product USER MANUAL or amazon system you can find the contact infor

🚗【Compact Design & Powerful Functions Car Dashcam Camera Front and Rear】-3” lightweight dash cam front and rear with sd card fits well in any car and won’t block your line of view. Besides car dash camera front and rear come with excellent functions: Loop recording, motion detection, parking monitor, G-sensor, on/off audio, time stamp, auto power-off, screen saver, burst photo. Dashcams for cars all of these functions cover what you need for daily driving.

💞💞1080P FHD Dashboard Camera for Cars, car dash cam front and back charger with USB port, just plug the in-car charger into your car cigarette lighter. 👉don't worry about the charging problems of mobile electronic devices when you use a dash camera. Dash cameras recording front and back coming with 32GB SD Card: IPS Screen in-car camera dash cam with a FREE 32GB SD card, You don't need to purchase. If you want a hardwire kit for 24hours recording , please search "B088YWCLZS"

💞💞Solutions to common problems for front and back dash cam: Q: Rear camera can not work? A: Please check the connector or directly ssontong service team directly. Q: When playback the video on pc can not see the images? A: As this front and back dash camera video format is AVI. Please download a universal player like "KMPlayer"

💞💞How to Install The Front and Rear Dash Camera 6M's Rear Cam Cable: 👉Way 1: If your car don’t have a built-in reversing monitor system, you’ll need to connect the rear cam cable RED wire into a positive lead (12V) of your reversing lamp, Which there will show the reversing mode on the front camera screen when your parking.No recording of this moment. 👉Way 2: If your car already has a built-in reversing system monitor, no need to connect the red wire, and wrap the red line directly with tape

🚗【Dash Cam with Rear Camera with Complete Accessories】- You will get 1 x dash cam front, 1 x rear camera dash cam, 1 x 32GB SD Card, 1 x Suction Cup, 1 x Mini USB Cable, 1 x Car Charger with USB Interface {plenty of wire for the charger. ABOUT 11.5ft}, 1 x SD Card Reader, 1 x Wiping Cloth, 1 x Tool Stick ( help you hidden lines ), 1 x User Manual.

🚕【FULL HD 1080P & Super Night Vision Dashcams for Cars Front and Rear】- This car camera with night vision front and rear simultaneous recording with super high-resolution 1920X1080P FHD 30fps lens deliver clearer videos&12MP images. The car dash camera combination of f1.8 aperture and HDR technology makes night shots brighter and prevents overexposure. Thus enhances the clarity of images. The dashboard camera eliminates the need for an auxiliary light source even in low-light environments

【Instant Evidence Straight to Your Phone】The Nexar Pro dashboard camera seamlessly streams live footage to your phone every time you drive, so video evidence is always just a tap away if you need it. The Nexar app works in the background, so you can use other apps (like navigation) while driving. To avoid battery drain, consider plugging in your phone while driving.

【The Best Dash Cam for Professional Drivers】Nexar Pro provides the ultimate protection by recording both the road and the cabin of a car. The road view camera records crisp 135° wide video in 1080p Full HD quality. The interior camera records sharp HD footage and includes 10 infra-red light bulbs that provide superb night vision. The system is equipped with advanced G-force sensors and comes with memory options from 32gb to 256gb, providing up to 24 hours of loop recording.

【Parking Mode for 24/7 Protection】Nexar senses even the slightest impact and starts recording immediately, even when your car is parked. Get notified and watch recorded parking incidents as soon as your phone is nearby and connected to the dash cam.

【Smart Detection and Free Cloud Backup】The camera detects critical situations on the road (like collisions or sudden brakes) and saves them as short clips on the Nexar app. These clips are also automatically backed up to your free and unlimited Nexar cloud account.

【One Tap Insurance Report】At the tap of a button, Nexar can create detailed post-collision reports that save you time, money, and unnecessary stress when dealing with insurance claims. Nexar’s report summarizes key information from the crash, including video footage, driving speed, G-force impact, and location.

【Smart Phone Required】All Nexar dash cams require a smartphone connection. Our dash cams are compatible with iPhones 7 and above, as well as most Android models. To make sure your device is compatible, please see the full list in the FAQ section below. Please also note that Nexar does not operate in tandem with Apple CarPlay.

🚗【3” IPS SCREEN FULL HD 1080P DASHCAMS】- The dash cam with sd card FHD 1920X1080P at 30 fps video enable to capture every road conditions and license plates details. You can read the license plate on the car dash camera up to 30 feet from the vehicle. 3" Super large IPS Display screen dash camera for cars can show the real-time image, helps you see every details when playing back on car dashcam or your PC. Also 170°Ultra-wide field of car camera reduces the blind spots and captures more details

🚕【32G SD CARD & ONE YEARS SATISIFITED WARRANTY FRONT DASH CAM】 - Dash cam for cars come with a free 32GB SD card. When you get the car dashboard camera, you can use it immediately. ☞You can set the camera for car to turn off the screen auto but the front dash camera for cars still keep recording（30seconds/1Min/2Min）. You are fully covered by our 1 YEAR WARRANTY & LIFETIME TECH SUPPORT with car dash camera front, all you need to do is write to us directly. We will respond within 12 hours

🚌【PLUG AND PLAY & AUTO RECORDING CAR CAMERA FRONT】- This dashboard camera for cars comes with suction cup for the windshield. Easily and securely mount the car on-dash mounted cameras to your windshield in seconds and car dashcams can be easily detached. As front car camera is power supplied from cigarette lighter port, it will power on and record automatically when your car turn on. Don't worry the dashcams for cars front won't drain your car battery

🚙【SUPER NIGHT VISION AND WDR TECHNOLOGY CAR CAMERAS】- This dash camera for car uses an advanced sensor with LED lights to ensure full HD recording during the day and night. Dashboard Camera is designed with F1.8 aperture and Wide Dynamic Range, thus when you driving in the evening with this front dash cam that will be safer and reliable. Dash cam charger with USB port,👍no worry about the charging problems of phones/mobile electronic devices even thought using this dashcam

📌📌About the built-in lithium battery of the dash cam: All dashcams on the market with a built-in lithium battery only support collision detection when parked and can automatically turn on and record video for about 20 seconds, then turn off. The dash cam need an external power source to work. Please use the car charger (package included) for charging, not use the Mini USB cable to charge, the cable and SD card reader are only for connecting to your computer and playback videos

🚕【CAR CAMERA DASH CAM HAVE G-SENSOR & LOOP RECORDING】- The dashcam for cars has highly-sensitive G-sensor, once the vehicle collides, car cam will lock the current video and prevent it from being overwritten to ensure the evidence is intact. The video is auto saved every1,3,or 5 minutes (you can set it). When memory card (Included) is fulled, the dash cams auto overwrites the oldest videos to ensure continuous recording,which keep recording your happy driving journey.Dash-cam is worth having🏆

📌📌Important things you need to know: This dash camera will turn on and off with your cars. But there are two types. One: once you start the car or turn off the engine, dashcam will start or turn off immediately. Two: As some types of car have cigarette lighters that don't power off immediately after car is switched off, need to wait 5-10 minutes before it fully powered off, so dashcam also needs to wait 5-10 minutes to auto turn off. A video of our test is uploaded below the image on the left

📌📌Frequently questions and solutions for car dash camera: The dash cam freeze or can't turn on➡Use the paper clip(package included) to poke the "RESET" hole, you can reset the factory setting, fix the freeze or other little questions well. Can't playback the video on PC➡The A10 car dashboard camera video is AVI format, you can download "VLC Media Player", issue will be solved. Kindly reminder: LONG press "M" button to switch the Video/Photo/Playback 3 Modes; "Power button" is the "OK button"

📌📌Dash Cam with 32GB SD Card, already inserted in "TF" port of the car camera dash cam. As a manufacturer and supplier of car cameras - dash cam, we collect the earliest data and feedback to solve problems, update the dashboard camera and provide our customers with a good value for money product and provide 100% after-sales supports. If the SD card or suction cup broken, you can contact us for replacement

📌📌 Important Function Settings for Dash Camera on Daily Using: Gravity sensor level choose "low"; Loop recording select "3 minutes"; Motion detection choose "off"; Parking monitor select "on"; Auto power off select "off"; If you feel that the screen is on all the time afraid that it will affect your driving, screen saver select "off", car dash cam is still recording; "Fill light" can be switched off during the day and on during the night

【DISCREET DESIGN & POWERFULL FUNCTIONS】The dashboard camera itself is a stealthy tube shape, made out of solid weighty plastic. Ideally it can be mounted behind the rear view mirror. This cam has powerful functions : Parking mode provides your car 24-hour protection. G-sensor; Seamless loop recording; Motion Detection; Larger capacity of up to 256 GB supported. (NOT included).

【INFRARED NIGHT VISION & SONY SENSOR】The car recorder is based on dual Sony IMX323 sensor and Novatek NT96663 processor. Combined with F1.8 aperture offering a significant increase in light throughput and WDR technology, it provides an excellent license plate and road signs readability. The interior camera surrounded by 4 infrared LED lights performs remarkably well in poor lighting conditions.

【Built-in GPS Tracking & Wi-Fi Connection】The built-in GPS module enables the dash cam to precisely pinpoint the vehicle’s location and routes on the map. The data can be viewed via the dedicated app "Ficam" on your IOS or Android device. Connecting to your mobile devices through built-in Wi-Fi, it is intuitive to change settings and easy to control the cam, view, download and share the videos without any traffic.

【RELIABLE & PERSONALIZED FEATURES】The car dvr is equipped with super capacitor so it can withstand high temperatures. Compared with lithium-ion battery, the use of super capacitor for power supply has significant advantages in terms of long-term reliability. Furthermore, you can set your car license plate and it will be printed on video as watermarking. Fatigue driving alert will remind you to get rest on time for safe driving.

【FHD 1080P DUAL DASH CAM】The dual car camera features capturing what is happening in front of the car and inside the cabin in crystal-clear details simultaneously at 1920x1080P@30fps. F1.8 large aperture with 170°wide angle covers field of view up to 6 lanes with limited blind spots. The car camera recorder shoots in high definition videos/images and provides powerful evidence in case of an accident.

🚗 【Dash Cams with Parking Mode】 The dash cams automatically powers on and starts recording as soon as impact is detected, thus providing you a video evidence if your car is scratched by someone in parking. Hence ensuring your peace of mind with complete 24x7 monitoring of your car.We suggest some important function settings for your daily using: G-Sensor level choose" low" , or turn off; loop recording choose “3 minutes”; motion detection choose "off" ; parking monitor choose "On".

🚗 【Full HD 1080P & Super Night Vision Dash Cam】Night shooting is brighter, and details like license plates are clearly visible with our car dash camera that has a 1920*1080P FHD lens, F1.8 aperture and HDR, WDR technology. Night shooting is brighter with this technology. Any trouble with image exposure and low-light can be solved. Eliminates the need for an auxiliary light source even in low-light environments, making it easy to obtain sharp, color-accurate images.

🚗 【Dash cam Front and Rear】Milerong A25 dash cam contains TWO cameras-- a 1080P FHD Wide-angle front camera (170°) and waterproof, 720P rear camera (140°) for watching what is going on behind the car. Clearly record all scenes of your driving journey. No blind spots, and double protection! 3" IPS display for real time monitoring and replay. Supports up to 32GB Micro SD cards. (Card is NOT included. If needed, please search “B08CDL8BMD” and buy together for more discount! )

🚗 【Easy Installation & Easy to use 】 This dash camera is very easy to install and operate with reference pictures in our user manual. Connect the dash cam with the suction mount (included) and attach it on your windshield. Insert SD card (not included) and connect to the power supply. The car dash camera will start recording immediately after igniting. Meantime, you can playback videos of each clear detail on the car dash cam.

🚗 【Emergency Lock & Loop Recording】 Seamless loop recording overwrites the old footage with new content when the card is full. The dash cam with a built in variable sensitivity "G-sensor", which will automatically detects a sudden collision, activates emergency recording, immediately saves the relevant footage and locks it to SOS file. These recordings are flagged and protected. Thus preventing any overwriting and thereby protecting your video evidence. Keep you away from driving disputes.

【Worry-Free After-sale Service】Every customer is fully covered by a one-year warranty. We provide 7*24 technical support-respond within 12 hours. You can Email our customer care and we will answer any of your questions and resolve arising issues fast. If you're having any doubts, it comes with a FULL REFUND within 30 DAYS.

【Dash Camera for Cars with Hidden Design & Easy to Install】Unique compact designed car camera, M2 dash camera for cars combine three cameras with a tiny size. Won't shade your view or distract you whilst driving. With simplified rear camera installation, no need to remove the reversing light, just connect it with the front lens and it can be used.

【Dashcam with Super Night Vision & IR Cabin Light】Thanks to f/1.8 big aperture & WDR (wide dynamic range) technology, the M2 car camera performs well in color precision and clarity whether day or night. 4 IR Light face to the cabin, accurately capture the driver and passengers even when the cabin is completely dark, ideal for rideshare drivers such as Uber, Lyft, and Taxi.

【1080P Dash Cam Front and Rear Inside with HD Display】High performance Novatek chipset and Sony Sensor, help deliver smooth 1080P front video + 720P cabin inside video + 720P rear video. 3 Channel Videos are displayed on the IPS screen giving you live time video feedback of 3 sides of your car.

【Support Up to 64 GB Memory Card】NOTE: SD card is not included in this package. M2 dash camera for cars can support up to 64GB Class 10 U3 speed memory card. Recommend buying extra ASIN B08RG87JN5.

【Three Channel Dash Cam for All-Round Protection】M2 dashcam built with a triple channel system, offer 165°Front camera, 160°Cabin Inside the camera, and 160°rear camera. Simultaneously captures video from the front, rear, and cabin of your car as vital evidence for dispute or accident.

【Auto Save the Collision Footage and Loop Recording】Built in Gravity-Shock Sensor, then the dash cam detects a collision or bump happens, the sensor will auto-lock the footage as evidence(protected files). The Loop recording function can overwrite the oldest unprotected files when the SD card is about full.

【Evidence for collisions, theft, and vicious scratch happening after your car is parked.】Parking Monitor: When the dash cam detects a collision happens, it will auto power on then record a protected video (doesn’t need a hardwire kit). 24 Hours recording: the dashcam will go on recording after your car is parked (need connect to hardwire kit, buy extra ASIN B09SPN811C).