Specification :

Model: SM 643 Signal System: PAL Sensor CCD: 1/ 3� Sony colour CCD Pixel Effective: 512 ( H) * 582 ( V) Horizontal Resolution: 420 TV lines Lens: Optional Minimum Illumination 0.5 Lux Back light compention: ON/ OFF Auto Gain Control: ON/ OFF Auto Electronic shutter: 1/ 50( 1/ 60) ~ 1/ 100, 000 ( sec) Synchronizing System: Internal / External Video Output: 1Vp-p 75ohm.Y/ C Separated Connector video: BNC Operation Temperature: -20` C to + 50` C Supplied Power: 12V ( + / -10% )