Bulldog 500186 Powered Drive A-Frame Tongue Jack with Black Cover - 4000 lbs. Capacity Heavy duty 4000 lbs. lift capacity 27" of total travel - 17" screw travel and 10" drop leg travel Built-in level right where you need it most Integrated gearbox and motor; Emergency override crank included LED courtesy light, to illuminate coupler Positions quickly with a drop of a leg Makes setting up camp easier with a handy built-in level right where you need it most Deploys and hooks up more easily at night with onboard LED courtesy light Works in case of power loss with emergency manual override capability easily accessible from the top Conserves battery power