MESTEK ST01D/ST01E Socket Tester RCD Test 220V-250V Leakage Switch Tester EU/UK Plug

Description: Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not. It can test the protection system to ensure the household electrical safety, perfect for protect your security against the risk of electric shock. Detect whether neutral, live and earth wire is connected correctly and to indicate which wire is missing with clear light patterns. The light patterns are well labeled on the surface of the socket tester, easy and fast to read the test result. Specification: Color: black Size: about 55*51*55mm Weight: about 80g Voltage: 220-250V Frequency: 50-60Hz Plug type: European Plug,British Plug Package Included: 1 x ST01D/ST01E Socket Tester 1 x User Manual Detail Pictures: