4mm--9毫米的焦距520TVL去防水的闭路电视安全

MODEL BS--876GX Image Sensor 1/3 inch SONY Super HAD CCD TV System PAL/NTSC Sync System Internal Sensing Area 4.8mm×3.6mm Effective Pixels PAL:512(H)×582(V) NTSC:512(H)×494(V) Horizontal Resolution 520TVL Minimum Illumination 0Lux/F=1.2 (IR on) S/N Ratio 48dB(AGC OFF) Video Output Composite 1.0vp-p/75ohm White Balance Auto AGC Auto Backlight Compensation Auto Electronic Shutter 1/50-1/100,000sec Gamma Correction 0.45 IR LED 36pcs ×φ8mm IR LED Lens 4mm--9mm ZOOM Protection Class IP 66 IR View Distance 30--50m Power Requirement DC12V Operation Temperature -20°C +50°C