9V Buzzer Tester, Wire Continuity Detector with Sound Prompt for Cable Connection/PCB Electrical Circuit Detector, Battery Powered Continuity Meter(Continuity Tester with Pen & Clip Wire)

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[BUZZER SOUND PROMPT] The 9V buzzer tester features a loud alarm at approximately 100 decibels, ensuring you can easily hear alerts during testing.
[VISUAL INDICATOR LIGHT] Equipped with an indicator light that provides clear visual on wire conductivity, enhancing your testing experience.
[USER-FRIENDLY DESIGN] Simply in the tester and touch the two ends of the wire; audible and visual signals confirm if the circuit is conducting or not.
[BATTERY REPLACEMENT] This product includes a built-in 9V battery, with an accessible cover for easy replacement when needed.
[CAUTION ADVISED] Please avoid using this tester while connected to a power source to safety during operation.