| Feature: 100% Brand new and high quality. Durable construction, high-and low-temperature resistant, acid and alkali resistantCompact hand held design, portable, easy to carryJust plug the tester in the 13 pin socket or the 13 pin plug of the trailer or caravan and press the yellow button on the side of the tester.Designed to indicate a failure in the wiring on both towing vehicles and trailers/caravans etcUse For: Trailers, RVs, carts, trucks, trucks, semi-trailers, sedans, yachts, ships, motorcycles, bicycle racks, luggage boxes, etc. Trailer products:European/American/Australian trailer plugs, trailer sockets, trailer cables, trailer cable adapter connectors, trailer taillights, trailer | |