1.Manufacturer,CE,FCC,SGS,ISO,CCC 2.27X optical zoom PTZ High Speed Dome H.264 IP ... )Focal Lengthf=3.6-97.2mmIrisF1.4-22Viewing Angle57.9°-2.2°Camera ModulePick-up Element1/4” SONY Exview HAD CCDPixelPAL: 704 ... , 1/120, 1/250, 1/500, 1/1,000, 1/2,000, 1/4,000, 1/10,000Day/Night SwitchAuto/Color ...