6 Ch video local recording and playback, support 960HD1CIF Meet the ISO-7637-2 Electrical Resistance Standard. Adopt high quality positioning and communication module with good stability Support speed, turning, brake, reversing , door opening and closing monitoring Watermark prevents data from being tampered to ensure the veracity and the legal efficiency of the data CAMETRON correction encrypted file management syst em, no video loss and protect data 2s before sudden power off Support break points GPS data transmitting , can realize remote video surveillance, video download , remote alarm, equipment time-correcting , network setting and remote updating etc. Equipment upgrade: support local and remote upgrading Adapt 3G network bandwidth dynamic changes automatically, improving video streaming consistency Mini size (132*137*40mm), breaks the industrial extremity, convenient for transportation and installation