Model FB-8310CL FB-8310CHL FB-8310CHL Image Sensor 1/3"SONY CCD 1/3"SONY CCD 1/3"SONY CCD Pixels PAL:512(H)x582(V) NTSC:512(H)x492(V) PAL:752(H)x582(V) NTSC:752(H)x492(V) Signal Format PAL/NTSC Horizontal Resolution 420TVL 480TVL 520TVL Min Illumination 0Lux/F1.2 Lens Varifocal Lens 4-9mm BLC Auto AGC Auto Electronic Shutter 1/50(1/60)~1/100,000 Second White Balance Auto S/N Ratio >48dB Operating Temperature -20℃~50℃ Sync System Internal Sync Video Output 1.0Vp-p/75Ω/BNC Power Supply DC12V?0%,<500mA IR View Distance 40M WaterProof Level IP67