Description: Portable socket tester is used for rapidly detecting whether the socket's wire connection is correct or not. Compact size and light weight makes it convenient to use. Voltage backlight LCD display can be used for testing voltage. Plug and play, this tester is designed with RCD/GFCI test button, so it is convenient for knowing the working condition of the leakage protector. And it is perfect for protect your security against the risk of electric shock. With the function of LED display, the light patterns are well labeled on the back of the device itself. The red LED indicators can be light up clear even in strong sunlight, and it also be used in the dark, making you read it fast. This socket tester has 6 indicators that is easy to read to indicate the condition of the socket, making it is easy to judge: Correct, Open Ground, Open Neutral, Live/Neutral Reverse, Live/Ground Reverse, Live/Ground Reverse, Missing Ground. Made of high quality ABS material, it is durable and environmentally friendly. Length of this socket tester is 6.8cm, width is 6.4cm, height is 6.1cm. This socket meter is very suitable for electric maintenance testing, office socket testing, power strips testing and wall socket testing in school, laboratory, factory and other social field, home improvement and safety inspection. It saves you lots of time in testing problems with socket. Item Name: Socket Tester Material: Fireproof ABS Operating Voltage: 90-250V/45-65Hz Plug Type: UK Plug Model: HT107E Accuracy: ± (2.0%+2) Storage Environment: -10 - 50 Celsius, 20% - 80%RH Leakage Voltage: 0-99V/45-65Hz Phase Voltage: 90-250V/45-65Hz RCD Test: 30mA RCD Working Voltage: 220V±20V Working Environment: 0-40 Celsius, 20%-75%RH Size Details: Size: 6.8cm x 6.4cm x 6.1cm/2.68" x 2.52" x 2.4" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Socket Tester 1 x User Manual