The trailer turn signal tester is an essential tool for maintaining the safety and functionality of your trailer. This device allows you to easily test your trailer's turn signals, brake lights, and other electrical components, allowing that they are working correctly. Its construction and user-friendly design make it a valuable addition to any trailer owner's toolkit. Features -Color:Black -Material:Plastic and metal -Size:5.00X3.50X1.00cm/1.97X1.38X0.39in -Quick and efficient: rapidly connect and test trailer wiring, allowing are functioning properly -Versatile functionality: the trailer tester for pickup tests various trailer light circuits to safe and driving conditions -Userfriendly design: simple plugandplay operation eliminates the need for extra tools, making it easy to use -Distinctive look: unique design camper plug adapter adds personality to your vehicle setup -Broad compatibility: suitable for a variety of vehicle types and trailer connectors, providing versatile application Package list: 6 x trailer testers