digital video recorder dvr -H.264,4chs video,1ch audio -3G Mobile view -Factory Price Sample OK -Western Union TT Money H.264 4Chs 3G D1 CCTV Network DVR Recorder Features1)H.264 main profile compression algorithm ideal for standalone DVR2)4 channels Realtime full D1 recording, and real time multi channels playback3).Support VGA output and TV output at the same time,Genuine high definition VGA ...