12 Volt DC powered with manual crank over-ride. Oversized, adjustable zinc footpad prevents divots. Fastens to A-frame couplers; fasteners included. Industrial design cover, hardened steel gears with water resistant motor and gear housing. Durable powder coat finish. LED light for easy night time hookups. With quick plug-in 7-way connector, and plastic holder keeps your 7-way connector firmly in place. Full 25 stroke: (18 power plus 7-1/8 manual drop leg extension) Height range: 8-1/2″ to 31-1/2″