H.264 HDD mobile DVR(up to 1TB) Rugged mobile dvr GPS,3G,WIFI,G-sensor support 6CH alarm ... modeStartup recording default, schedule, alarm & event trigger, manualsearchBy time, type, storage device, etc.Recording playbackSupport local playback, up ... etcG-sensor(option) Built-in G-SensorSystem upgradeSupport SD card upgrade, HDD upgrade,remote upgradePower supply & consumptionPower supply ...