Features:When the parking monitoring function is turned on, the recorder will automatically begin record and lock if the car has slight vibrations when it is turned off. This video is locked and will not be overwritten. After 17 seconds of recording, the machine will automatically shut down.Clear LED display screen, real color of video preview/playback, clear picture, smooth operation without jamming.It supports front and rear dual channel video recording, and ensures that the front 170 1080P video can be recorded at the same time as the rear 120 480 video.170 wide angle lens, leaving no blind angle.Motion detection function, safer car driving/parking.It supports multiple languages and has a wide range of applications.