Pride Mobility Product with a Synergy Seat equiped with a joystick, seatbealt, V2 controller, caster wheels, drive wheels, manual free wheel lever, rear shroud, foot platform foot rest, djusted height, detachable armrest, detachable oxygen cylinder tank carrier, 22" seat and back cushion, skin protected, sling seat, battery charges on a standard electrical outlet voltage of 120 VAC. Holds up to 500lbs chair is custom made for a heavy individual. Buyer is responsible for picking up and transporting chair. Please only serious buyers.