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