... 4 SONY CCD,480TVL,Indoor Mini Speed Dome , IP Function Housing E(for Indoor High Speed Dome) 10X Day&Night with IR ... Cut Function,1/4 SONY CCD,480TVL,Indoor Mini Speed Dome , IP ... balanceAutoGain controlAutoFocusAuto/manual,take high-performance DSP to realise complete digital and ultra-high speed focus functionIris controlAutoElectronic shutter1/ ...