... 1/4 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 Function with MP4 Compression. Model No.TD-500/DZ29- ... high-performance DSP to realise complete digital and ultra-high speed focus functionIris controlAutoElectronic shutter1/50~1/12000 secondsMin.illuminationcolor ...