... 8 to 48V DC Mobile DVR, 4-channel Real Time Full D1, HD1 recording, Support GPS, 3G, Embedded Linux ... Support GPS, embedded Linux system, 8 to 48V DCAudio compression: ADPCM Image format: 4 x CIF (352 x 288 ... x 63mm(with holderPacking: Each in a box, 10-set/cartonBox size (L x W x H): 252 x ... 4ch mobile DVR with 3G & GPS internet. H.264 compression and Full D1 recording, Embassed Linux systems