1 8CH CCTV security cameras system 2 DVR+ Camera+monitor 3 Support mobile ... office, shop, school...--DVR + cameras + Cables + hard disk + power adapter--All-in-one surveillance system, contain almost all necessary parts, ... power adaptor for 4 CCTV Cameras. Other items:ProductsCCTV Analog Camera, Standalone DVR, CCTV System, IP Camera, PTZ dome ... cost for the clients. 8CH CCTV Security cameras system