Lens: varifocal or fixed Vandal-proof case Image device: Sony color CCD sensor Number of pixels: PAL: 500 x 582 pixels NTSC: 510 x 492 pixels Total pixels of sensor: PAL: 300K pixels NTSC: 270K pixels Horizontal resolution: 520TVL S/N ratio: >48dB Minimum illumination: 1.0 Lux Power consumption: 12V DC (± 10%) Electronic shutter speed: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds Gamma compensation: 0.45 Video output: 1Vp-p, 75 Ohms (negative) Lens mount: board Lens: 3.5 to 8mm (varifocal lens: 3.6, 4, 6, 8, 12 and 16mm) Operating temperature: -10 to 50°C, 95% RH (maximum) Storage temperature: -20 to 60°C, 95% RH (maximum) Packing: Inner: Carton size: 180 x 75mm Weight: 1.3kg Outer: Carton size: 127 x 120 x 82mm Weight: 1.5kg