Meters -Socket Tester Socket Highlights Generic Brand Socket Tester Socket Description: PEAKMETER PM6860DR Automatic Electrical Socket Tester - Advanced socket tester to quickly detect whether the cable connection is correct or not. Built-in GFCI/RCD trip function, protects you from the risk of electric shock. Easy to Use - Detects if the neutral, phase and ground wire is connected correctly and indicates which wire is missing with clear light patterns. Bright LED Light and 3 Test Indicators - The light patterns are well labeled on the surface of the socket tester. Easy and quick to read the test result. 5 LED Light Patterns - With 5 easy-to-read indicators to show outlet status, easy to judge: Good, Missing Ground, Return Live Ground, Return Neutral, Missing Neutral. Ensure household electrical safety, perfect for home, business and circuit. specification: Plug type: European standard Voltage: 220V+/-10V I am 30mA Package includes: 1 piece PEAKMETER PM6860DR automatic electrical socket tester (European standard)