The trailer pin tester is a must-have for anyone who frequently trailers. This handy device allows you to quickly check the functionality of your trailer's electrical connections, allowing that your lights and signals are working properly. Its intuitive design makes it easy to use, even for those with limited technical knowledge. Features -Color:Black -Material:Plastic and metal -Size:5.00X3.50X1.00cm/1.97X1.38X0.39in -Fast connection: efficiently connect and test trailer wiring, allowing all connections are secure and functional -Versatile testing: the trailer wiring adapter tests multiple trailer light circuits to allow they are working correctly for safe driving -Easy to operate: userfriendly plugandplay design requires no additional tools, making it accessible for everyone -Unique appearance: this trailer truck plug tester enhances your vehicle's look with a distinctive design that adds personality -Versatile compatibility: compatible with a wide range of vehicles and trailer connectors, providing flexibility in use Package list: 2 x trailer testers