YUZUN YZ-DVR4S2-3D-1C 4-Way 700 TVL Digital Monitoring Kit (Gray, White)

DVR parameters: Operating System: Embedded Linux operating system; Video Standard: PAL (625 lines, 50 fields / s); NTSC (525 lines, 60 fields / s);Operation interface: graphical user interface, in favor of mouse, panel , remote control Operation; video Compression: H.264; audio Compression: G.711; video input: 4 BNC; video output: 1 channel BNC, 1-way VGA; audio input: 2 channel RCA, audio output: 1 channel RCA; voice intercom: 1-way voice intercom; monitoring quality: PAL: 720x576 (D1); NTSC: 720x480 (D1); playback quality: P: 720 * 576 (D1) N: 720 * 480 (D1); screen display: 1,4-screen display; PTZ control: RS485 interfaces; hard disk interface: a SATA interface; network Interface: 1 RJ45, 10M/100M adapt Ethernet interface; USB Interface: 2 USB2.0 high speed interface; power: DC12V ; dimensions: 1U 280X225X45mm; weight: 1.68KG (without hard drive). Infrared camera parameters: imaging element: 1/4 ',DIS + DSP, Resolution: 700TVL, SNR :52-60dB, Video Output: VBS 1.0Vp-p ,Normal mode: 0.1LUX (F1.2), Star mode: 0.05LUX (F1 .2), infrared mode: 0LUX ,IR Dome range :30M, standard 3.6mm Len, IR bolt range :50-70M ,standard 6mm Len, temperature range: - 20 ℃ to 50 ℃ ,Humidity range: Within 85% RH, Voltage and current: DC12V ± 1 (AC24v optional) power: Max 10W Packing List: video host a table, 4 infrared cameras, video recorders Power 1, a remote control, a mouse, manual, warranty card, certificate 1 set