Welcome to Shenzhen Huishi Electronics Co., Ltd. Registered company in Hong Kong in 2009 and established factory in Shenzhen in 2011, HS has been concentrated on designing, developing, manufacturing and exporting versatile security products, including Board Cameras, Analog CCTV Cameras, CCTV System, DVR Kit, Speed Dome Cameras, Network IP cameras, DVR, NVR and Camera Accessories. We emphasize cost effective qualified security items. Our faith is to make every penny you pay worth of it. ...