Item Type: Trailer Tester <br>Material: ABS, copper <br>Specification: 13pin <br>Voltage:12v <br>Material: ABS, Copper <br>Color: Black <br>Function: Resistance test, detection of faults on the line <br>Power Supply Mode: 9V PP3 Battery Required (Not included) <br>Application: <br>Suitable for RV, trailer<br>1、Trailer Tester: This tester has one side to connect the 13 pins plug of a trailer and another side to connect the socket of a car, makes it convenient to use. <br>2、Main Function: This trailer plug tester can help you to quickly check the circuit failure of both vehicles and the electrical system on trailers, and resistance test. <br>3、Durable Construction: Made of high strength ABS plastic and copper, which is impact resistant, wear proof, anti aging, and has long service life. <br>4、High performance: Using brass as conductor, with good electrical conductivity, ensuring more stable function and high practicality. <br>5、Fine Workmanship: Requires 9V, PP3 battery power, (not included), can test trailer, caravan lights without attaching to a vehicle, very simple to use.1 x <br> <br>Trailer&nbsp;Tester