1. 1/3" Sony CCD camera 2. H.264 video compression 3. 540TVL, 0.1Lux 4. IP High Speed Dome Camera IP High Speed Dome CameraFeature:• 1/4" Sony CCD camera, 0.1Lux, H.264 video compression, 23x zoom• Built-in decoder, surge protection device and lightning-proof device• Alarm Input 8 ea, Output 2 ea, Privacy masking ( 8ea)• D1@30fps resolution, dual-encoding stream and network voice talk function• ...