... .264 realtime network HD DVR -USB,PTZ,Audio,Network,VGA,HDMI -SATA HDD up to 2TB -Up to 720P resolution 4 ... -time Recording, support USB, PTZ, network, two-way audio, VGA, HDMI;2. Support mobile phone live preview via GPRS/CDMA/EDGE ... non-realtimeVideo Output1 CH VGA(up to 1280*1024)1 HDMI(up to 1920*1080)AudioAudio Compression8K*16bit ADPCMAudio InputRCA*4Audio ...