Description: The socket tester with voltage backlight LCD display is convenient to read. Advanced socket tester can rapidly detect whether the socket's wire connection is correct or not. Designed with RCD test button, one click know the working Status of the leakage protector. Designed with bright LED display, 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. Featuring 6 LED indicator modes, including correct, open ground, open neutral, live/neutral reverse, live/ground reverse, live/ground reverse, missing ground, this socket tester is convenient and easy to operate. Made of fireproof ABS, the socket tester is durable and corrosion-resistant. The length of socket tester is 6.8cm, the width of socket tester is 6.4cm, The height of socket tester is 6.1cm. It is widely used 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. Item Name: Outlet Tester Material: Fireproof ABS Operating Voltage: 90-250V/45-65Hz Storage Humidity: -10 Degree Culsius - 50 Degree Culsius, 20% - 80%RH Environment Humidity: 0 Degree Culsius - 40 Degree Culsius, 20% - 75%RH Plug Type: EU Plug Model: HT107D Accuracy: ± (2.0%+2) Leakage Voltage: 0-99V/45-65Hz Phase Voltage: 90-250V/45-65Hz RCD Test: 30mA RCD Working Voltage: 220V±20V 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 Outlet Tester 1 X English Manual