4 Channel HD Wireless Security Camera System for Villa, Home, Office, Shop, Warehouse or elsewhere(Indoor/ Outdoor). 1TB Hard Drive Pre-installed. Please Note that this is not Battery Powered Cameras. Wireless Camera System Doesn't Mean You can Use it without Any Cables. Power Supply still Needed to Power on the Cameras and NVR (Smonet doesn't Take Charge of Installation). Powered by Stable Power from nearby Outlets, 24x7 hours Live Surveillance. Wireless Video Security System is Easy to Setup and DIY Installation without any Video Cables. True Plug and Play. Connect the NVR and Cameras with Power Supply Provided. Connect the Mouse to NVR. Connect PC/TV monitor to NVR with a VGA/HDMI Cable. Connect the Router LAN Port to NVR WAN Port with Network Cable Provided. The Video will Show Up. The System builds a more Powerful Wireless Signal Coverage and Make the Connection Quick and Easy. Working without Disturbing your Regular Internet Speed.