Purple Line EGO130 Ego Trailer Mover 130 Millimeters - 2 Motor, Corrosive resistant materials, electro-plated for durability and prolonged life Park and hitch your trailer by remote control; 2 motor system; 130 millimeters Motors engage and disengage from your tires Automatically braked immediately the remote buttons are released Transferable to new or upgraded Travel Trailers; 5,000 pounds capacity