HT106B Multifunction Electric Socket Tester Mains Fault Checker Tool Features: 1. . 2. Electric Socket Tester - Advanced Socket Tester for quick detection of the correct electrical connection of the socket. Designed using the RCD or GFCI test button - the power outlet is properly wired and the RCD or GFCI trip function. It can test the protection system to ensure electrical safety at home. 3. Easy e - Detect the neutral line, connect the wires and ground wire correctly, and indicate which line lacks the bright light mode. Bright LED lights and 3 test lights - The lamp holder icon is labeled on the surface of the socket tester. The tester has a built-in light so it can also be used in the dark. Read test results quickly and easily. 4. 7 LED light modes - There are 7 easy-to-read indicators to indicate the status of the socket, easy to judge. 5. Wide range of applications - Widely used in electrical maintenance testing in schools, laboratories, factories and other social areas, office outlet testing, power strip testing and wall socket testing. It can save a lot of time to test socket problems. 6. Portable design - Small size, light weight and easy e. Specification: Condition: Function HT106D HT106B HT106E GFCI test andgt 5mA RCD test andgt 30mA andgt 30mA Yes LCD display Yes Backlight Yes operating temperature 0°C-40°C operating Humidity 20 percent -75 percent RH Storage temperature -10°C-50°C Storage Humidity 20 percent -80 percent RH Altitude ≤2000m Socket connection detection Correct connection Unconnected ground wire Unconnectedneutral wire Unconnectedlive wire Live wire and ground wire reverse Live wire and neutral wire reverse Live wire and ground wire wrong, miss ground wire Weight: Approx. 79-90g or 2.8-3.2oz Size: Approx. 66 x 62 x 60mm or 2.6 x 2.4 x 2.4in Package List: 1 x Socket Tester