Purple Line EM4445 Enduro Trailer Mover Corrosive resistant materials, electro-plated for durability and prolonged life Park and hitch your trailer by remote control; 2 motor system 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 Corrosive resistant, electro plated and powder coated for enhanced durability and prolonged life. One of the best in class features and price. Direct drive gearbox. Solid cast alloy rollers for superior grip and durability. Cross actuation allows both rollers to be engaged simultaneously from one side. Heavy duty design suitable for single and twin axle travel trailers. The entire unit is fully transferable to a new or upgraded caravan. Isolation switch fitted to prevent accidental use of the remote. Unique double press on button on the handset to prevent accidental operation. Control unit and handset will shut down automatically after 60 seconds if the handset is not used in that time. Control unit will shut down if the mover is working constantly in one direction for 3 minutes. Built in motor overload protection (current and temperature)  no requirement for a fuse. Automatically braked immediately as soon as the handset button is released.