Auto-Pair & Plug and Play4CH Wireless Camera System(with 12inches Monitor)+4pcs 1080P HD Bullet Camera+1TB Hard Drive Pre-installed for Villa, Home, Office, Shop, Warehouse or elsewhere. Built-in 12 inch monitor pairs cameras automatically by wireless without complicated settings. Just Each Camera and NVR Plugs into Power, So You never Worry about Dead Batteries. Please Note This ...