ALEKO AR2450NOR-M Rack Driven Sliding Gate Opener up to 55 Feet Long 2400 Pounds Gear rack driven sliding gate opener can be used to open gates up to 2400 pounds and 55 feet in length User programmable and user erasable remote codes Aluminum alloy chassis is corrosion resistant while still being light enough for 1 person to carry For your safety, this model will stop and reverse if it encounters an obstruction on closing or opening Includes (1) AC 110V motor and (2) remotes and all needed installation hardware, gear racks sold separately