... dome 3.high resolution 540TVL 4.1/4 Sony CCD 5.CCTV PTZ camera We are ... accessoires: Welcome OEM,ODM order! 1/4 sony color ccd,480 TV Lines, IR-CUT FUNCTION , Day&night, ... Use high quality components, high & minute subset into TV, long life Conductive slip ring, High-quality belts, ... operation, high reliability.3, Stable running, none dithering under any speed.4, Cover use high intension Aluminum material ...