... 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 ... Zoom FAR auto speed adjustableImage FreezeYesCompatible CameraAutomatically detect 8 kinds of camera(Sony, Hitachi, Yoko, CNB, Sanyo, LG, Hitron and Samsung)IP66YesWorking ...