1/4″SHARP CCD/420TV Specifications: Image Sensor： 1/4″SHARP CCD Effective Pixels：PAL:500(H)X582(V)/NTSC:510(H)X492(V) Sensing Area: 4.9mm?3.7mm Signal System： PAL/NTSC Horizontal Resolution: 420TV Lens: 3.6mm,6mm,8mm,12mm Selectable Shutter Speed： 1/50(1/60)-1/100,000(秒) S/N Ratio： ≥48dB Min Illumination： F1.2/1.0Lux Video output：1.0Vp-p,75Ω Power Consumption：DC 12V 130mA Dimension： 38mm*38mm