Image sensor: 1/4-inch Sharp CCD Effective pixels: PAL: 512 x 582 NTSC: 510 x 492 Signal system: PAL/NTSC Resolution: 420TVL Lens: 3.7mm Minimum illumination: 1.0Lux/F2.0 S/N ratio: more than 48dB Shutter speed: 1/50 (1/60) to 1/100,000 seconds White balance: auto tracking white balance Video output: 1Vp-p, 75 Ohms and BNC Power supply: 12V DC Operating temperature: -10 to +50 degrees Celsius