Features:Trailer tester for7 pins plug and socket connection.Used to test thetrailer power supply wiring whether normal or not.With 7 LEDindicators.Indicates any failurein your wiring on the car or on the trailer.Portable andlightweight.Specifications:Item type:Diagnostic toolsItem name: TrailertesterMaterial: ABSplasticColor: BlackPower supply: 9Vbattery (not included)Item size: 17.5 *5.3 * 4.2cm / 6.9 * 2.1 * 1.7inItem weight:Approx. 152g / 5.4oz
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