Model FB-831C FB-841C Image Sensor 1/3"SONY CCD 1/4"SONY CCD Pixels PAL:512(H)x582(V) NTSC:512(H)x492(V) Signal Format PAL/NTSC Horizontal Resolution 420TVL Min Illumination 0.8Lux/F1.2 Lens Mount C/CS BLC On/Off(Switchable) AGC On/Off(Switchable) Electronic Shutter 1/50(1/60)~1/100,000 Second Lens Driving DC/VIDEO drive White Balance On/Off(Switchable) S/N Ratio >52dB Operating Temperature -20 ~50 Sync System Internal Sync Video Output 1.0Vp-p/75Ω/BNC Power Supply DC12V,<150mA