Description: PEAKMETER PM6860DR Automatic Electric Socket Tester - Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not. Built in GFCI/RCD trip function, protect you against the risk of electric shock. Easy to Use - Detect whether neutral, live and earth wire is connected correctly and to indicate which wire is missing with clear light patterns. Bright LED Light & 3 Test Indicators - The light patterns are well labeled on the surface of the socket tester. Easy and fast to read the test result. 5 LED Light Patterns - With 5 easy to read indicators to indicate the state of the socket, easy to judge: Correct, Missing earth, live earth reverse, live neutral reverse, missing neutral. Ensure the household electrical safety, perfect for home, business and circuit. Specification: Plug Type: European standard Voltage:220V +/- 10V In 30mA Package Includes: 1 piece PEAKMETER PM6860DR Automatic Electric Socket Tester(European standard)