ALEKO AR950NOR-M Rack Driven Sliding Gate Opener for Gates up to 30 Feet 900 Pounds Gear rack driven sliding gate opener can be used to open gates up to 900 pounds and 30 feet in length Earth friendly solar powered motor can be used on its own or powered by a solar panel 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) DC24V/AC 110V motor, (2) remotes and installation hardware, gear racks sold separately