The Tush Push, model TP10B, is a portable electric toilet lift designed for use by individuals with lower extremity disabilities who do not have the body strength to get up from the toilet. This one-motor unit can be installed on most toilets. It has adjustable and removable arms and a touch control handset. This product ships with a standard round front toilet seat. OPTIONS: second battery; elongated seat; and desk type arm chair extension .POWER: Battery-powered 24 volt DC motor. DIMENSIONS: The total width is 25 inches; the seat width is 14 inches. The seat height adjusts from 19 to 26 inches. The maximum arm height is 36 inches. CAPACITY: 275 pounds. WEIGHT: 34 pounds. WARRANTY: Two year limited warranty (excluding paint); one warranty on all batteries.