Description: 100% brand new and high quality Features: his trailer tester can help you quickly check for circuit failures in 12V electrical systems in vehicles and trailers. Suitable for commercial and private sector, workshops, car and trailer rental, accessories trading, etc. 13-pin connector to the side of the trailer and 13-pin tractor vehicle connector on the other side The circuit indicates all faults in the vehicle or trailer. Portable, easy to store, handheld design. Simply plug the lighting and cable tester into the socket or plug to be tested and press the test button to make a clear diagnosis via the LED display. It is easy to use and practical. Specification: Type: Resistance Tester Material: ABS Applications: Commercial, private sector, workshops, car and trailer rental, accessories trading Features: Resistance tester, Portable, Easy to store, Hand-held design, Practical, Detector Dimension: app.22x5.9cm/8.66x2.32in Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Resistance Tester