Boat Lift Boss 110V Manual Control Boat Lift Motor is a direct drive motor for all boat lifts with a manual turn wheel installed. The Boat Lift Boss boat lifts motor replaces the manual lift wheel, making the task of raising and lowering your boat lift easy. Powered by 120V AC power, this unit installs by directly attaching to your freestanding lift winch assembly. When installed on your lift winch you can raise or lower your lift with the turn of a key. These units are designed to adapt to most freestanding manual operation boat lifts.