Specifications: 1) Pick-up device: 1/4" CCD Sensor 2) Picture elements: PAL: 752(H) x 582(V), NTSC: 768(H) x 494(V) 3) Scanning area: PAL.NTSC 2:1 Inter Lace 4) TV system: PAL/NTSC 5) Horizontal resolution: 470TV Lines 6) Power source: AC 220V 7) Electronic shutter control: On/Off Switch able 8) Backlight compensation: On/Off Switch able 9) Electronic shutter speed: 1/50-1/100,000sec 10) S/N ratio: more than 48db 11) Minimum illumination: 0.01Lux F1.2(Infrared Lamps Turn on) 12) Video output: 1.0Vp-P.75ohm BNC 13)Zoom Speed:1-3/sec 14)Zoom Ratio: 22*Optical Zoom 15)Digital Zoom Ratio:10*Variable 16)Focal Length:3.9-85.5mm