... ,9530,9550,9000,9700,9630).Support HDMI, VGA and BNC output, HDMI,VGA and BNC can work simultaneously.Support sending alert ... FormatH.264Video SystemNTSC / PALVideo Input / Output4CH Input, 3CH Output (BNC, VGA, HDMI)Audio Input / Output4CH Input,1CH Output (RCA)Alarm Input / Output4CH Input,1CH OutputDisplayResolutionNTSC: 720 x 480 ...