Model CLG—A680A CLG—A680C CLG—A680D CLG—A680EImage Senor Device 1/4"SHARP CCD 1/4"SONY CCD 1/3"SONY CCD 1/3"SONY CCDHorizontal Resolution 420TVL 420TVL 420TVL 480TVLMinimum IIIumination OLuxS/N Ratio ≥48dbWhite balance AutoSynchronization system Internal SynchronzationElectric shutter 1/50(1/60)~1/100,000sVideo output 1.0vp-p 75ohm Power supply DC12V