DescriptionMade of quality materials, durable and safe. small design is practical, you can carry it easily, a good tool for your choice, After the tests, output and input power is regular, ensure product qualified. for home or store etc.Features-Color: Assorted.-Material: ABS, electronics. -Size: About 6.50X6.10X6.10cm/ 2.55X2.40X2.40in. -Plug: UK -Operating Voltage: 220V -Security Level: CE CAT II 600V ROHS - Good Performance. Designed for easy testing power sockets, simple and intuitive testing, clear display socket line status. -When the protection button is pressed, the circuit does not jump off, indicating that the line is out of order, the instrument itself is automatically protected, will not be damaged, providing personal safety. -Easy to Use. Detect whether neutral, live and earth wire is connected correctly and indicate which wire is missing with clear light patterns. -With 3 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. -Widely Usage: Polarity test of power supply, leakage detection, live detection of ground wire.