... FCC approved Product Description:This CCTV mobile DVR is made for traffic safety, it is an embedded Linux system DVR with 4 ... compressions,GPS,black box,mass storage hard disk. Widely used for security and surveillance in the domain of Mobile,Steamship,Train ... over-voltage protection,Delay power off function.Power output:DC12V for camera, pickup or velocity sensorAnti-vibration design:double Anti- ...