General description The 13 Pin Trailer Tester is designed to quickly identify wiring faults in both the tractor and trailer. It connects easily between the 13 pin socket of the trailer and the towing vehicle, making it an essential tool for ensuring proper trailer lighting functionality. Technical specifications Type: 13 Pin Trailer Light Tester Power Supply: Requires a 9V battery (not included) Material: High-quality plastic with copper head needles Dimensions: Measurement allowed error is +/- 1-3 cm Usage Plug and play functionality for easy operation Simply connect to the vehicle socket and press the yellow button to display diagnostic results via LED indicator Suitable for outdoor use, allowing for quick testing without wasting time Other information Compatible with cars, caravans, motorhomes, trailers, bicycles, and transport vehicles Color: Black Package Contents: 1 x Trailer Tester Note: Light shooting and different displays may cause the color of the item in the picture to