VM-1404-HD is a dual SD card hybrid HD MDVR with combined 4 channels of D1/960H/720P audio & video recording and replaying specially designed for vehicles. The mobile MDVR adopts ARM DSP fast dual-core processor running on the Linux embedded OS, and also integrates the most advanced H.264 video encoding/decoding in IT industry, 3G/4G network, GPS and WiFi, as well as fail-safe protection, wide voltage features. It is characterized by strong functionality, good scalability, good stability and high performance cost and extensively applied in public buses, logistics vehicles, school buses, police cars, financial convoy cars and fuel tankers.