This DVR is dedicated to the later installed Android vehicle radio! 3M adhesive and set up , the recorder could be displayed on the car G-sensor Loop recording will routinely overwrites the oldest photos and changing it with the new videos, the G-sensor will lock footage in the event of an accident Loop Recording Adopting all new clever overlapping technology,it an routinely overwrite the former video when the reminiscence card is full, thus understanding loop recording with out lacking frames 170° Wide Angel Lens 170° Wide angel lens makes the shooting differ prolonged to 4 lanes the whole international from a bigger attitude WDR It allow the digital camera to seize particulars obviously in either the poorly and strongly illuminated locations of the video ADAS Advanced Driver Assistance System