Plug this into your 12V battery and get quick, simple lifting. Corrosion-resistant, die-cast aluminum cap and hardened steel gears make for a long-lasting jack. Dual side lights help you set up camp at night. Features: Tongue jack positions quickly and easily 12V Motor powers jack, eliminating need for hand cranking Built-in, water-resistant toggle switch for easy operation Integrated circuit breaker prevents motor damage All-steel gears are strong and durable Great for trailers and RV’s Dual side lights make it simple to set up your camper at night Emergency, ratchet-style crank socket included 9/16" Deep well socket inserts into end of drive collar - ratchet clockwise to retract, counterclockwise to extend Zerk fitting on the lower stem assembly allows access to grease the threaded rod, which leads to a longer jack life Easy bolt-on or weld-on installation for A-frame trailers Hardware not included Mounting holes fit 2" or 2-1/4" spacing Round, removable footplate included Die-cast aluminum cap resists corrosion Sturdy steel construction with black powder coat finish Specs: Bracket height: 9-1/2" Retracted 27-1/2" Extended Lift: 18" Lift capacity: 3,500 lbs Outer tube diameter: 2" Inner tube diameter: 1-3/4" Footplate diameter: 6" 2-Year warranty