The Oversized Lift Chair, model 70539, is a bariatric seat lift chair designed for use by individuals with mobility disabilities. This three-position chair has two motors and a heavy-duty scissor lift mechanism. Other features include a single-switch hand control and built in emergency battery back-up, allowing the chair to return to the sitting position in the event of a power outage. POWER: Uses household current. The backup uses 9-volt batteries (not included). DIMENSIONS (LxW): The chair is 49 x 34 inches and the seat is 21 x 26 inches. The power cord is 9 feet long. CAPACITY: 500 pounds. COLORS: Blue, cranberry, almond, sage, or chestnut vinyl. WARRANTY: Lifetime warranty on lift frame. DELIVERY TIME: 2 to 4 weeks.