... ,audio,alarm,realtime DVR, DVR recorder, 4/8/16CHdvr recorder,4/8/16ch newtorkdvr recorder:100/200/400fps, ... -p,impedance75Ω,BNCVideo out1ch composite video output,BNC(4 CH)Video display4ch:1/4channelswitchVideo standardPAL,25f/s ... ,1024x768,1280x1024,1366x768,1440 x900 resolutionSoftware upgradeSupport USB firmware upgradeothersVoltage inputAC:110~240VPower Consumption6W without HDDWorking temperature- ...