Feature:1. Polarity Voltage Detector: Easy to use. detect whether neutral, live and earth wire is connected correctly and indicate which wire is missing with clear light patterns.2. Voltage Tester: Compact size, portable design, one key operate, easy to use, just plug and play.3. Outlet Finder: It tests your conservation system to ensure the household electric safety, protecting your security.4. Circuit Finder: Versatile tester checks power outlet sockets for correct wiring, easy to use, just plug it directly into the socket.5. Wide Application: Suitable for office sockets testing, electric maintenance testing, power strips testing, etc.Specification:Voltage detector widely used in laboratories, factories and other social areas for electrical maintenance testing, office socket testing, power socket testing and wall socket testing.Specifications:Material: ABSSecurity Level: EN61010-1, -2-030, EN61326-1, CAT. III 600VItem Size: 61 * 65 * 55mm / 2.40 * 2.56 * 2.16inItem Weight: 50g / 1.76ozPackage Weight: 71g / 2.50ozPackage Size: 13.5 * 10 * 7cm / 5.31 * 3.94 * 2.76in.Package List:1 * Socket Detector