2-in-1 Design : A versatile tester combining both 4 way and 7 way circuit testing capabilities, suitable for RVs, trucks, and trailers. Winged Grip Design : Ensures easy removal from electrical connectors, providing a user-friendly experience. LED Indicators : Instantly see the status of each circuit through clear LED indicators, simplifying the diagnostic process. Plug & Play Functionality : Quick installation and disassembly for immediate use. Compact Size : Convenient for storage in your glove compartment or toolbox without occupying much space. Enjoy the convenience of a 2-in-1 design that merges 4 way and 7 way circuit testing, perfect for RV enthusiasts and truck owners alike. With its winged grip design, removing the tester from electrical connectors becomes effortless, and the LED indicators provide instant feedback on circuit status.