UNI-T UT25A AC 90-120V Circuit Breaker Finder + GFCI Outlet Socket Tester LED

1 ADJUSTABLE BREAKER FINDER 2 GFCI OUTLET TESTER 3 GFCI STATUS INDICATOR 4 PRODUCT DETAILS Does the power have to be on for the tester to work? Yes, it must be powered on to test the circuit break, the receiver also needs to use a 9V battery to receive the signal, but we come with the package with a 9V battery. The receiver just beeps at all the breakers. Will it work if there is no electricity to the socket? No, it will not work without electricity. The socket must be connected to 90-120V mains to power the transmitter inserted into the socket. ⚡【ADJUST SENSITIVITY TO LOWEST SETTING】Before your test, please adjust sensitivity of the AC circuit breaker finder to lowest setting. ⚡【AC 90-120V CIRCUIT BREAKER FINDER】Identifies circuit breakers on energized 120V electrical systems, breaker detector finder compatible with standard 90 to 120V AC 50/60Hz breaker system. The ac circuit finder tracer has the GFCI security test function and is easy to use. ⚡【LED STATUS INDICATOR】 The LED indicator panel on the transmitter of breaker finder electric tester can inform the test status and avoid wrong operation. ⚡【HOW TO USE】 First of all, insert the transmitter into the socket you are looking for, before look at the right switch, please minimize the sensitivity, and slowly move the receiver near the breaker box. ⚡【EVA TOOL CASE】In order to make you better protect and store the circuit breaker tracer finder, our product is specially attached with a thickened anti-fall EVA box with a drawstring, which is easy to carry.