The AO Smith Premium Efficiency Two-Speed Motor pairs environmentally-sound performance with a dynamic, energy saving design for an unbeatably green replacement motor. It is built with an integrated timer interface, a timer mode, adjustable contrast, and a manual mode for total automated control. This motor is highly reliable, sporting an LCD display with backlight and battery backup in addition to a program saver. It includes both a High Efficiency Speed and Low Speed setting for optimal energy saving alternatives. Class-B insulated to keep cool, the AO Smith Premium Efficiency Two-Speed Motor is available in 3/4HP to 2HP.