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. 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: ABS Security Level: EN61010-1, -2-030, EN61326-1, CAT. III 600V Item Size: 61 * 65 * 55mm / 2.40 * 2.56 * 2.16in Item Weight: 50g / 1.76oz Package Weight: 71g / 2.50oz Package Size: 13.5 * 10 * 7cm / 5.31 * 3.94 * 2.76in 1 * Socket Detector