Di-Log-Socket-Tester-c-w-Buzzer-DL1090-Di-Log-DL1090-P-The-Di-Log-DL1090-Socket-Tester-Buzzer-is-a-simple-&-reliable-test-for-correct-socket-wiring-When-power-is-detected-the-socket-tester-will-give-a-clear-visual-&-audible-indication-of-wiring-status-The-LED-will-also-light-as-an-indication-of-a-wide-range-of-wiring-conditions-BR-This-plug-is-a-fast-&-easy-way-to-ensure-13A-sockets-are-wired-correctly-P-P-The-Socket-Tester-Buzzer-allows-for-awkwardly-placed-or-not-