Image sensor: 1/4" SHARP CCD Effective pixels: PAL:500(H)X582(V) NTSC:510(H)X492(V) Horizontal resolution: 420 TVL Minimum illumination: 0LUX/F1.2 S/N ration: >48dB Electrnic shutter: Auto 1/50~100,000 Lens: 6mm/3.6mm/8mm Black light compensation: ON/OFFswitch Infrared wavelength: 850nm Infrared effective range: 25~30m Video output signal: BNC 1.0Vp-p75ohm Operation temperature: -20~+50degrees Power requirement: DC12V Dimension: 50X63mm