ShenZhen Yztong Science And Technology Co. Ltd, is one of the leading manufacturer of industrial and video surveillance products in China. We provide serials of merchandises for surveillance system including video processors, PTZ cameras ,IR illuminators and camera brackets ,B/W and Color miniature camera, bullet camera, water-proof camera, mini standard CCTV camera, flying saucer camera and zoom camera. pls visit our website www.yztcctv.com for all details.