Professional circuit breaker finder with stable performance and accurate test. Suitable for house, office, factory power network reconstruction, etc.
Features: Find circuit breaker or circuit fuse quickly and accurately. Sensitivity can be adjusted through the ON/OFF switch. The operator can determine the status of circuit connection according to the 3 LEDs. NCV indicator light is only for UT25B. Support GFCI test on socket. The receiver is powered by a 9V battery(not included). The transmitter works on 110-125V.