... to 48V DC Mobile DVR, 4-channel Real Time Full D1, HD1 recording, Support GPS, 3G, Embedded Linux ... 8804; -30dBRecording mode: sound and image synchronization Support GPS, embedded Linux system, 8 to 48V DCAudio compression ... W x H): 213 x 230 x 63mm(with holderPacking: Each in a box, 10-set/ ... sell items bearing such trademarks. 4ch mobile DVR with 3G & GPS internet. H.264 compression and Full D1 ...