SYOSI Outlet Tester, Electric Socket Tester, 220-250V Circuit Polarity Voltage Detector, UK Plug Circuit Tester, Socket Safety Plug Breaker, Outlet Line Ground Zero Detector

【Electric Socket Tester】: The automatic socket tester can quickly detect whether the socket is connected correctly, and solve your problem in the first time., 【Neutral & Live Wire Test】: The outlet tester can be used to detect whether neutral wire, live or earth wire is connected correctly and to indicate which wire is missing., 【Safety is Guaranteed】: The power socket tester can quickly detect whether the socket wiring is correct. The mains outlet tester protects your safety from the risk of electric shock., 【Indicator Light Judgment】: There are several indicator lights on the socket outlet tester and the clear LED indication immediately displays reliable results, helping you judge the status of the socket in time and better protect your household wires., 【RCD Function】: The Electric outlet tester designed with RCD tech, will be more practical to test the wire and electricity. Improving the efficiency of checking each socket.