The High Power Farm-Cam System can monitor activity in your barn or work area conveniently from a TV located in your home or office up to 3000' away. Complete systems come ready to use and install quickly with included hardware. 4-Channel receiver allows for connection of 4 separate cameras. Extended distance up to 3000' with use of high power vortex antenna. Camera comes in a weatherproof cover. Black & white or color camera systems. Obstructions between antenna and receiver may reduce maximum range.