Specifications Color: White Material: Aluminum Alloy, Oxford Cloth, Eva, Abs Surface Treatment: Electrostatic Spray Assembly Required: Yes Motor Power: 90w Plug Type: Us Standard Control Type: Button (Red Button: up, Green Button: down) Mount Type: Free Standing Charger Model: Js-25210 Charger Input: Ac100-240v 50/60hz Charger Output: 25.2v, 1a Charger Power Cord Length: 1m/3.28ft Lifting Force: About 2500n/255kgf Load Bearing Capacity: 130kg/286.6lbs Distance of Seat to the Ground: About 45-77cm/17.72*30.31inch Adjustable Height Range: About 30cm/11.81inch (Infinite Adjustment) Base Adjustable Angle: 0-27° Base Width Adjustment Range: 65-99cm/25.59-38.98in Base Length:93cm/36.