Shenzhen Gaosid Electronic Co. Ltd. is an enterprise specializing in the development and production of security monitoring video transmission field. Our company covers an area of over 2,000 square meters. With independent RD teams& our own brand Gaosid and have been honored with the titles of Chinese Famous Brand ,The No. 1 Power Brand”” etc. Most of our products have passed CE FCC RoHS certification. brbrWe always provide the best quality at best prices.