The MD822S, a dual SD card 8ch 1080P mobile DVR with GPS, features double systems (double communication channels) and high stability. Adopting the high-performance processor and Linux operating system, it can operate in vehicle tracking mode and video recording mode simultaneously and is a core product of new-generation wireless vehicle video surveillance solutions that uses H.264/H.265 video compression/ decompression, GPS positioning and wireless data transmission technologies. The device is specially designed for mobile video surveillance of different types of vehicles, such as buses, long-distance coaches, taxis, logistics vehicles, armored cars, private cars, etc.