... -aliasing processing/ Infrared filter builded in 4. Axis rotate freely 5. CE SPECIFICATIONSImager1/3" SONY Ultra, Hi-Res., Super HAD CCDHorizontal ... shutterPAL:1/50 to 1/110,000Fixed focus lens2.8/ 3.6 /6 / 8mm,F2.0White balanceAuto Gain controlAutoBacklight compensationopenSynchronization ... The basic structure diagram UNIT:mm UNIT:mm 550TVL 1/3-inch Super CCD dome surveillance camera