... 4,1CH simulation BNC/VGA video outpu 4CH 720P H.264 NVR standalone H,264 NVR standalone1, 4CH digital video input,4CH 720P recording ... 2, adopt standard H.264 compression 3, 1CH simulation BNC/VGA video output, 1CH audio ... , network, PTZ, mobile phone monitering (WinCE/Symbian /iPhone/Blackberry/Android) 8, support 1 SATA HDD,max capacity 1T,support U disk ...