ALEKO AR5750NOR-M Rack Driven Sliding Gate Opener for Gates up to 100 Feet Long 5700 Pounds Gear rack driven sliding gate opener can be used to open gates up to 5700 pounds and 100 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