Shenzhen VVS Technology Co., Ltd. is a high-tech enterprise integrating product development, production and sales of CCTV (Close Circuit Television) systems. Our main products include Stand Alone DVR, IP CAMERA and CCTV CAMERA. Most of our products have passed CE/FCC certification or comply with ROHs standards. VVS, with 9 years' development, did security in 2005. We began to design and produce DVR in 2007 and IP CAMERA in 2009. In 2007, VVS CCTV Limited was established in HONGKONG and ...