Be Your Vision, Secure Life Safety! Byvision Security Systems Limited (Byvision) is a professional CCTV product and solution provider from China, built in 2008 by a skilled team with several years' experience in the CCTV field. We provide all types of CCTV cameras, including box camera, IR bullet camera, IR dome camera, IP camera, PTZ speed dome, HD series camera, all types of DVR and DIY kits, including 4CH/8CH/16CH DVR kit etc.. At BYVision, putting together a surveillance system to ...