Need to check the wiring of the house and check the polarity of the socket connection? Need to test leakage tripping? Try our HABOTEST Socket Tester. It is a professional socket tester that rapidly detects whether the socket's wire connection is correct or not. With the RCD test function, it is more practical and safe. •Electric Socket Tester - Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not •Design with RCD/GFCI Test Button - Power outlet socket for correct wiring and RCD/GFCI trip function. It can test the protection system to ensure household electrical safety. Perfect for protecting your security against the risk of electric shock •Easy to Use - Detect whether neutral, live, and earth wire is connected correctly and to indicate which wire is missing with clear light patterns •Bright LED Light & 3 Test Indicators - The light patterns are well labeled on the surface of the socket tester. The tester adopts a built-in light so it can also be used in the dark. Easy and fast to read the test result •7 LED Light Patterns - With 7 easy-to-read indicators to indicate the state of the socket, easy to judge: Correct, Open Ground, Open Neutral, Live/Neutral Reverse, Live/Ground Reverse, Open Live & Live Neutral Reverse •Wide Application - Widely used for electric maintenance testing, office sockets testing, power strips testing, and wall sockets testing in schools, laboratories, factories, and other social fields. It saves you lots of time in testing problems with sockets •Portable Design - Compact size, lightweight and convenient to use. With voltage backlight LCD display for testing voltage Specification: •Brand Name: HABOTEST •Color: Black •Material: Flame Retardant ABS •Plug Type: EU / US (Optional) •Voltage: 48V-250V 45-65Hz •RCD Test: ＞30mA (EU/UK Plug) •RCD Working Voltage: 220V±20V •GFCI Test: ＞5mA (US Plug) •GFCI Working Voltage: 110V±20V •Voltage Measurement: 48V～250V / 45～65Hz •Accuracy: ±(2.0%+2) •Working Environment: 0℃ ～ 40℃, 20% ～75%RH •Storage Environment: -10℃ ～ 50℃, 20% ～80%RH •Safety Rating: EN61010-1,-2-030, EN61326-1，CAT II 300V •Item Size: 62 * 65 * 55mm / 2.4 * 2.6 * 2.2in •Item Weight: UK 64g/2.3oz, EU 59g/2.1oz, US 53g / 1.9oz Package included: •1 x Socket Tester •1 x User Manual (English)