4CH,H.264,with VGA,USB,network,RS485,USB Mouse and Alarm,4ch audio in,1 output,Support 4...
8ch,H.264 ,Mouse ,with VGA,USB,network,RS485 PTZ,Support DVD-RW backup,8ch Audio-In,1ch-O...
4CHH.264, Mouse,with VGA,USB,network,RS485,1ch input audio/1ch output,4ch D1 record&pla...
8CH,H.264,Mouse,with VGA,USB,network,RS485,1ch audio in,1 output,Support 3G survelliance,P2P