The trailer light circuit tester is an indispensable tool for any trailer owner. It helps you allow that your trailer's brake lights, turn signals, and other electrical components are functioning correctly. The tester's easy-to-read indicators provide clear feedback, making it simple to identify and address any issues. This tool is ideal for both DIY enthusiasts and professional mechanics. Features -Color:Black -Material:Plastic and metal -Size:5.00X3.50X1.00cm/1.97X1.38X0.39in -Quick testing: fast and efficient connection and testing of trailer wiring, allowing -Comprehensive functionality: the trailer plug tester tests various trailer light circuits to confirm they are functioning properly for safe travel -Effortless use: easy plugandplay design means no additional tools are required, simplifying the testing process -Stylish design: unique and eyecatching design adds a personal touch to your vehicle's setup -Extensive compatibility: this trailer light tester works with a variety of vehicle types and trailer connectors, making it a versatile tool Package list: 2 x trailer testers