4 channel h.264 dvr

4CH H.264 Network DVR (Multilanguage)Video Compression FormatH.264 Video SystemNTSC / PAL GUI OSDYES Video Input(BNC)4CH BNC input(composite video signal 1Vp-p 75Ω BNC) Video Output(BNC)2CH BNC output Audio Input/Output1CH audio input,1CH audio output(RCA) Maximum Recording Rate(CIF/HD1/D1)CIF:352×240 pixels with 120 IPS <NTSC> /352×288 pixels with 100 IPS <PAL> HD1:704×240 pixels with 104 IPS <NTSC> /704×288 pixels with 88 IPS <PAL> D1:704×480 pixels with 52 IPS <NTSC> /704×576 pixels with 44 IPS <PAL> Image Quality SettingSupper Best,Well,Good,Medium,Normal and Bad Hard Disk StorageSupport one SATA HDD,each max upto 2TB Alarm Input/OutputNo Multiplex OperationLive display/record/playback/backup/network transmit Recording ModeManual/Timer/Motion Playback ModeMultiple slow and rapid play speeds,manual and single-frame play modes,and support of drag the sliding bar to set. Backup DeviceUSB flash disk / Network Pre-alarm RecordingRecording for 10 seconds before alarming Network ProtocolTCP/IP,PPPOE ,DDNS and NTP Ethernet remote viewSupport remote surveillance up to 10 users simultaneously CMS softwareYES Mobilephone ViewYES VGA InterfaceOptional DVR-2114HV with VGA output Log record functionYES Image TourYES IR Remote controlYES Video Loss DetectionYES Video AdjustableHue /Saturation /Contrast /Brightness adjust PTZ ControlYES,built-in RS-485 port USB MouseYES Power SourceDC 12V Key Lock(Password Protection)YES Power-down recovery functionYES Size(mm)250(W) x 45(H) x 224(D)