STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester into the tow vehicle, turn on the lights, and check the easy to read LEDs.
IDENTIFY PROBLEMS QUICKLY- In addition to the bright LED indicators, clear labeling of each light allows you to identify the working and faulty circuits at a glance.
NO TOOLS NEEDED - Excellent plug-n play design means you don't need anything else to effectively test your 7-way blade socket.
LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
CONVENIENT COMPACT DESIGN - Easily store it in your glove box, door pocket, or tool box. Take it with you and always be prepared.