.1/4' Ex-view HAD CCD 540TVL 2.Lens:3.25~88mm 27X Optical Zoom 10X ... with 120M IR Distance 1.1/4' Ex-view HAD CCD 540TVL 2.Lens:3.25~88mm 27X Optical Zoom 10X ... ,Humidity:<90%RHBracketIncludedWegith4.8kgCertificateCE,FCC,ISO9000Waterproof IPIP66 Ex-view HAD CCD 540 TVL 270X High Speed IR Dome Camera