·【All-in-One Circuit Diagnosis】KT301P circuit breaker finder Easily locate breakers, check outlet wiring, and test GFCI protection—all with one compact tool. Combines a Circuit Breaker Finder, Outlet Tester, and GFCI Tester for fast, reliable troubleshooting in residential or commercial settings.

·【Large LCD Screen with Backlight】Displays real-time voltage (30–150V), outlet wiring status, and signal strength for faster, more intuitive diagnostics. Backlit indicators make it easy to read in dimly lit breaker panels or tight spaces. Clear visuals eliminate guesswork, making it ideal for professionals and DIYers working with complex circuit breaker panels.

·【GFCI Outlet Tester】The transmitter doubles as a GFCI outlet tester, featuring an automatic trip testing function. Red/green LED indicators provide clear visual feedback, while the large LCD screen displays detailed wiring conditions to accurately diagnose 7 common wiring faults. The auto-hold function retains the latest outlet test results and voltage reading even after unplugging.

·【Non-Contact Voltage Test】The receiver includes a built-in flashlight for working in dark areas. It also features a Non-Contact Voltage Test function, which detects nearby voltage sources quickly and safely and emits a buzzer sound. This added feature allows you to locate live circuits without direct contact, enhancing safety and providing a comprehensive testing solution.

·【Complete Accessory Kit and Carrying Case】This Circuit Breaker Finder kit includes essential accessories like a 3-prong to 2-prong adapter, light socket adapter, and alligator clip adapter for increased compatibility. The durable carrying case keeps your device and accessories organized, secure, and portable, making it convenient for on-the-go professionals.