【4.3" Dashcam Mirror】- 4.3" rearview mirror car camera, record HD video in 1080P mode, support loop recording and real-time playback. 170° front camera and 140° rear camera, minimize blind spots for safe driving/reversing. 【Parking Assistance】- Equipped with a waterproof rear camera, offers you the rear view parking guide line which are activated when reverse gear is engaged. They can guide drivers to secure parking areas. 【Gravity Sensor Loop Recording】- When the SD card is full, the car camera will automatically overwrite the oldest video to accommodate the latest video. In case of collision while driving, the car dashcam will automatically lock the current video to ensure that important videos will not be lost. 【Some Tips】- PLEASE ATTENTION that the TF card must be a Class 10 card (it is not included). And this driving recorder is only suitable for vehicles with voltage 12DCV or below 12V. OTHER FUNCTIONS: The dash cam has a G-sensor function (G-force event like an impact or a sudden braking maneuver); whenever an event is detected, the camera will automatically mark the current footage for safekeeping and will not be overwritten when loop recording; SOS emergency video with security protection