VEVOR 1800 LBS Sliding Gate Opener Door Operator Kit Automatic Electric Hardware High Move Speed 100FT Remote Control Durable In Bad Weather Keep Quiet To Work Easy To Install Compatible Accessories Can be split into:2 x 10ft. Chains,Motor Speed: 66 rpm,Output Power: 360W,Output Shaft Height: 58.5 mm,Max. Gate Weight: 1800lbs (800 kg),Output Torque: 18 Nm,Gate Move Speed: 43ft/min (8.5'/second)