ALEKO AC2400 Sliding Gate Opener Slide Gate Operator Motor Sliding gate opener opens super heavy gates up to 2400lbs(1000Kg) Gate moving speed: 5"second 13 CM second, 2 remote controls included Power supply: AC 120V, single phase motor, magnetic limit switches for easy adjustments For your safety, this model will stop and reverse if encounters an obstruction on closing or opening Built in adjustable auto-close future. Comes with 20ft chain, high base