... 1,1/3"SONY CCD,650TVL 2,27X Optical Auto Focus 3,Auto Iris,RS485/RS232 control 4,AWB,DNR,MASK 650tvl ... :f=4.7to 104mmOptical Zoom:27X/30X optical zoomFocus:auto/manual/keyboard auto,all digital high-speed continuous focusLris:autoWhite balance:autoMinimum ... .01LUXB/W:0.001LUX/0LUXPower Cut Memory Restore:yesGain Control:Auto/ManualS/N Radio:60db enhancedElectronic Shutter:1/50~1/120000 secondVideo ...