... multi language,audio,alarm,realtime DVR, DVR recorder, 4/8/16CHdvr recorder,4/8/16ch newtorkdvr recorder:100/200/400fps, full D1 ... passwordVideoVideo in4CH composite video input 1.0Vp-p,impedance75Ω,BNCVideo out1ch composite video output,BNC(4 CH)Video display4ch:1/4channelswitchVideo standardPAL ... ~240VPower Consumption6W without HDDWorking temperature-10----50°C DVR recorder, 4/8/16CH network