The Tush Push 2, model TP-20, is a powered elevating toilet seat designed for use by individuals who have difficulty rising from a seated position. This lift has two motors for increased lifting capacity. This product ships with a standard round front toilet seat. OPTIONS: Replacement shield. POWER: Uses 115 volts alternating (AC) household current adapted to 24 volts direct current (DC). 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: 500 pounds. WEIGHT: 45 pounds. WARRANTY: Two year limited warranty (excluding paint); one year warranty on all batteries.