HAIKON DS-7604NI-SE PoE 1U NVR

HAIKON DS-7604NI-SE PoE 1U NVR Video/Audio Input IP Video Input:  4-ch 4CIF/2-ch 720P/2-ch UXGA IP camera/dome Audio Compression:  OggVorbis Audio Input:  1-ch, RCA (2.0Vp-p, 1k?) Video/Audio Output Live View Resolution:  PAL:704×576; NTSC:704×480 CVBS Output:  1-ch, BNC(1.0Vp-p, 75?)Resolution: 704×576(PAL); 704×480(NTSC) Recording Resolution:  UXGA/720P/4CIF/DCIF/2CIF/CIF/QCIF Frame Rate:  720P: 25(P)/30(N) Video Bit Rate:  32Kbps~2Mbps, or user-defined (Max. 8Mbps) Audio Output:  1-ch, RCA (Linear electrical level, 600?) Audio Bit Rate:  16kbps Synchronous Playback:  4-ch Dual Stream:  Support Hard Disk Interface Type:  1 SATA interface Capacity:  Up to 2TB capacity for each disk External Interface Network Interface:  1RJ-45 10/100/1000Mbps self-adaptive Ethernet interface Serial Interface:  1 RS-485 interface (for PTZ control) USB Interface:  2, USB2.0 Alarm In:  4-ch Alarm Out:  1-ch General Power Supply:  12V DC Consumption:  ?20W(without hard disk) Working Temperature:  -10°C~+55°C(14°F~131°F) Working Humidity:  10%~90% Dimensions:  315mm(W)×44.5mm(H)×230mm(D)(12.40"(W)×1.75"(H)×9.06"(D)) Weight(without HDD):  ?2.5 kg(5.51lbs)