Shen Zhen CMU Security tech Co., Ltd is a security products manufacturer with 10-year experience of R&D, manufacture, sale and customer service. We are dedicated to video surveillance equipment, security applications and anti-surge protection (lightning protection) products. It consists of standard color, black & white cameras, day and night color camera, a variety of dome, hidden camera, IR waterproof camera, IR dome camera, all-weather cameras, underwater cameras, auto-focus camera, road monitoring cameras, intelligent high-speed PTZ camera, infrared high-speed camera, IP free set up cameras, surge protection products, door phone series etc.