1080P Front and Rear Camera: This 4.3in smart rearview mirror is designed with 1080P front and rear camera, which allow for simultaneously recording videos from two different angles. Wide angle lens cover almost the entire field of view, reducing blind spots and capturing more road scenes. Anti Shake: This backup camera mirror adopts wide dynamic range technology and intelligent anti shake technology. Equipped with advanced G sensor which can record clear videos with enhanced details in low light conditions. Parking Assist: This dash cam rearview mirror features parking assist function and HD backup camera, which can show the rear view of the car by displaying HD video stream in the rearview mirror. When the car is in reverse, the image shows the parking assist line for safe parking. Parking Monitor: This dash cam rearview mirror supports 24 hour parking monitor function. It serves as a surveillance camera system while the vehicle is off, always protecting the safety of the car. Loop Recording System: This smart rearview mirror camera with touch control screen provides loop recording system. When the memory card is full, it will cover the previous video file to continue the recording.