Great unit for maneuvering trailers into tight spaces from blind spot areas. Bluetooth wireless controls left and right drive. Has AC power converter onboard to charge battery. Operates similar to a zero turn mower. Has 7 way plug to activate trailer brakes when moving bumper pull and 5th wheels that are equipped with brakes. It will auto engage the brakes when Park It is not in motion. Has adapter tower for gooseneck/5th wheel with outriggers for stability. Comes with assortment of ball adapters, instruction pamphlet, charging cable for controller, and collars/lockplate. Freewheels for easy storage. The controller and handle extension comes off so it can be controlled remotely. Strong little unit that has been well maintained and lightly used. Great for manuevering boats, trailers, and RVs inside a building.