AS-M800 is a solid state mobile DVR which is equipped with smart technologies such as GPS, G-Sensor, 3G and Wi-Fi. AS-M800 supports 4 channels video & audio recording at the same time, supports maximum 2TB hard disk & 1*128GB SD card for very long time recording, and supports intelligent alarm functions like over speed, acceleration, brakes, turns, backing up and more. AS-M800 is a system which will allow you to keep an watchful eye on your vehicles.