The LiftDogg Pickup Truck Liftgate by Buyers Products installs on a truck's tailgate for easy loading of oversized or heavy items. Powered by a 12V electric hydraulic Monarch™ power unit with built-in pressure relief, the LiftDogg has twin chrome-plated, direct-lift cylinders to hoist up to 1,300 lb. A keyed security switch operates the lift and locks when not in use.