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 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 the socket status, easy to judge: Correct, Missing Earth, Live Earth Return, Return to 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) Note: This does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thanks! getveryrich