... DVR with G-Sensor 4CH in, 1CH out USB, CF card Storage ,GPS Vehicle tracking,12V,24V • H.264 video compression, Linux ... operation systems;• Real-time 4 channel video recording;• Local storage: 32GB CF card;• Built ... loss alarm;• Speed alarm;• Motion alarm• History Playback 3G Mobile DVR, WCDMA,G-Sensor, GPS, CF card ,4CH,USB,Vehicle tracking ...