AC09 Socket Tester Electricity Testing Circuit Polarity Detector AC Electric Voltage indicator RCD Leakage Tester 0000000586

Feature:Smart socket tester: used to detect the wiring of the socket to ensure the safety of household electricity.RCD leakage detection: insert the tester into a correctly wired three-hole power socket, and short press the leakage detection button.AC voltage measurement: It can measure whether the AC voltage of the current measurement socket is stable and normal.Digital LCD display with indicator light: The test results are directly and clearly displayed on the LCD screen, which is convenient f