Introduction The CCTV Systems includes a 4CH Real-time Recording Network AHD DVR and 4pcs indoor/outdoor Weatherproof IR Day & Night surveillance Cameras providing everything you need to have your surveillance system up and running in your home or business quickly and easily.It also support computer and smartphone view Etc?. What is Included: 1 x 4 Channel AHD DVR 4 x Colour IR Outdoor Day/Light Security Cameras 4 x 20m Cables 1 x 1-4 Way Power Splitter 2 x Power Supplies 1 x Mouse 1 x User's Manual Note: DVR does not include Hard Drive What's in the box 1 x 4 Channel AHD DVR 4 x Colour IR Outdoor Day/Light Security Cameras 4 x 20m Cables 2 x 1-4 Way Power Splitter 3 x Power Supplies 1 x Mouse 1 x User's Manual