Image sensor: 1/3-inch CMOS OV7949 (color or B/W can be optional) Horizontal resolution: 420TVL Signal system: PAL and NTSC Validity pixel:<ul> PAL: 628 x 586 NTSC: 510 x 496</ul> Sync system: internal Sensitivity: 4.7V/lux-second at 5600K Gamma characteristic: 0.45 Scanning system:<ul> NTSC: 525 lines and 60 field/s PAL: 625 lines and 50 field/s</ul> Electronic shutter:<ul> PAL: 1/50 to 1/100,000s NTSC: 1/60 to 1/100,000s</ul> S/N ratio: >48dB Video output: composite signal 1.0Vp-p/7.5Ω AWB: auto Operating temperature: -20 to 60°C and RH95% maximum Storage temperature: -20 to 70°C and RH95% maximum Power supply: 12V DC/60mA Size (diameter): 21mm