speCiFiCationsModel NumberVideo SystemVideo Compression FormatAudio Compression FormatVideo Input/OutputAudio I/ODisplay ResolutionFrame RateRecording ResolutionRecording Frame Rate (Shared)Hard DriveRecording ModeRecord File SizeBackupPlayback ModeAudio Input/OutputAlarm TypePTZ ControlUSB 2.0 PortEthernetNetwork ProtocolNetwork FunctionPower ConsumptionPower Adapterworking Temperatureworking HumidityDimension (w x D x H)QR4174NTSC or PALH.2648kHz*16bit ADPCM4-CH BNC Input / 1-CH BNC Output4-CH RCA Audio Input/ 2-CH RCA Audio OutputD1:704×576(PAL) 704×480 (NTSC)Single CH PAL: 25 fps, NTSC 30 fpsPAL: (CIF:352x288) | (HD1:704x288) | (D1:704x 576)NTSC: (CIF:352x240) | (HD1:704x240) | (D1:704x 480)PAL: (CIF:100fps) | (HD1:50fps) | (D1:25fps)NTSC: (CIF:120fps) | (HD1:60fps) | (D1:30fps)1 SATA HDD, up to 1TB→USB removable HDD (Backup)Constant/Scheduled/Manual/Motion Detection/Sensor Triggered/Net-Viewer Recording15/30/45/60 MinUSB flash drive, Removable HDD, USB Burner and NetworkBackup to AVI File FormatPLAY /SLOW /FWD/Frame by Frame4-CH Input / 1-CH OutputMotion/Sensor Triggered/Video loss/HDD Space/HDD LossBuilt-in RS-485 port, supports PELCO-P & PELCO-DSupports USB Mouse, Removable HDD, USB Flash Drive to Backupto AVI File and Upgrade SystemOne RJ-45 10M/100M Self-Adaptable Ethernet InterfaceSupports TCP/IP, DHCP, UDP, DDNS, PPPOE Network ProtocolSupport Preview Live Display Remotely via Mobile Phone andReal-Time Monitoring via IE-Based Browser and/or Network, andSupport Parameter Setting of DVR Remotely10-15 W (Excluding HDD)DC 12V;5A50°F to 104°F (10°C to 40°C)10%~90%15.75 x 11.25 x 2.75 in (400 × 286 × 70 [178 w/LCD up] mm)