Shenzhen Longyu technology co., ltd as one of the biggest manufactures of CCTV products with nearly ten years experience, our major products is Infrared Cameras, IP Cameras, megapixel camera, multi-functional hemisphere, fast balls, wide dynamic cameras, video cameras , disguised camera , DVR and embedded NVR ect, the company has passed CE, FCC, UL, ISO9001 and other international certification. Due to high quality and reasonable price. We export large quantity to the Asian countries.