3G WCDMA Mobile DVR with G-Sensor 4CH in, 1CH out USB, CF card Storage ,GPS Vehicle tracking,12V, ... 4 channel video recording;• Local storage: 32GB CF card;• Built-in 3G, GPS receiver,G-sensor;• Wide working voltage: DC 8-28V;• Wide operating ... repeating;• High-definition video playback;• Real-time overlay clock, speed and braking status;• Video recorded not affected when power off instantly ...