ITEM NAME:HT107 Socket Tester Pro Voltage Test Socket Detector GFCI Outlet Tester US Product Description Description: HT107 Socket Tester Pro Voltage Test Socket Detector GFCI Outlet Tester with Automatic Electric Voltage Display Description: The socket tester can help you check the polarity of the house wiring and socket connection, and can also be used to test leakage trip. It is a professional socket tester, which can quickly detect whether the wire connection of the socket is correct. With RCD / GFCI test function, more practical and safe. Feature: 1. Portable electrical socket tester -- advanced socket tester, used to quickly detect whether the wire connection of socket is correct. Small size, light weight, easy to use. LCD display with voltage backlight can test voltage. 2. Plug and play --- with RCD / GFCI test button design, one click to know the working state of the leakage protector. Perfect protection for your safety and prevent electric shock. 3. Bright LED display - the pattern of the light is well marked on the back of the device itself. Even in strong sunlight, the red LED indicator can be clearly lit, and it can be used in the dark, so that you can read quickly. 4. 6 LED indicator modes --- with 6 easy to read indicators, used to indicate the status of the socket, easy to judge: correct, open circuit, air circuit open circuit, hot wire / neutral line reverse direction, fire line / ground wire reverse direction, ground wire loss. 5. Wide application - widely used in electrical maintenance testing, office socket testing, switchboard testing and wall socket testing in schools, laboratories, factories and other social fields. Home installation acceptance and safety inspection can save you a lot of time testing socket problems. Specification: Model: HT107 Color: Black Material: flame retardant ABS Working voltage: 90 ~ 250V / 45 ~ 65Hz Phase voltage: 90 ~ 250V / 45 ~ 65Hz Leakage voltage: 0 ~ 99V / 45 ~ 65Hz Accuracy: Â ± (2.0% + 2) GFCI test: > 5mA (US plu.Model: HT107. It is a professional socket tester, which can quickly detect whether the wire connection of the socket is correct. With RCD / GFCI test function, more practical and safe. Perfect protection for your safety and prevent electric shock.