"Lightweight, portable Genie Super Hoist material lift is powered by CO2 or compressed air. CO2 cylinder not included. Ideal for lifting, positioning and installing air ducts, plumbing, sheetrock, ceiling panels, heaters, chimney pipe, electrical fixtures and more. Sets up in seconds with no tools. U.S.A. Power Source Compressed air, Product Type Lift/hoist, Platform Size L x W in. 24 x 19, Load Capacity lbs. 250, Lift Height ft. 18 1/3. Sets up in seconds with no tools required Legs fold out from base for quick setup and are held in position with safety locks One-piece platform attaches to any size CO2 bottle with a twist of the wrist CO2 bottle not included 85 PSI recommended Compact and lightweight for easy portability by one person Rubber nonmarking locking casters Legs fold up for easy storage Auto-lubricating, with oil reservoir on top of each piston in cylinder to prevent lubricating oil from draining Easy to service Made of heat-treated aluminum"