US RJ Technology Co, Ltd. is the biggest manufacturer of CCTV security system products. Our company?? headquarter is located in New York ,the branch in HongKong China, and a factory in Shenzhen, China. We are specializing in manufacturing CCTV cameras, Color CCD cameras, B/W CCD cameras, Color Dome Cameras, B/W Dome cameras, Mini CCD Cameras, Day/Night CCD cameras, High speed cameras, Flying Sauce cameras, wireless CMOS cameras, DVR, DVR Board, all-in-one camera, Network IP camera, Video server and lens and other safety protection video products, which are widely used in banks, electric power, transportation, public security, shopping mall, residence area and the like.