Features:1. Upgraded Electric Socket Tester - Advanced socket tester for rapidly detecting whether the socket's wire connection is correct. Compact size, lightweight, and easy to use. Equipped with voltage backlight LCD display for testing voltage.2. Plug and Play - This plug socket tester features an RCD/GFCI Test Button. One-click operation to check the working status of the leakage protector. Helps protect against the risk of electric shock.3. LED Light Patterns - Clear indicators show the socket's status for easy interpretation: Correct, Open Ground, Open Neutral, Live/Neutral Reverse, Live/Ground Reverse, Missing Ground.4. Bright LED Display - Light patterns are clearly labeled on the device. Red LED indicators are visible even in strong sunlight and can be used in dark environments for fast reading.5. Wide Application - Suitable for electrical receptacle testing in various settings including offices, schools, laboratories, factories, and homes. Ideal for maintenance, power strip testing, wall socket testing, home improvement inspections, and safety checks. Saves time when identifying socket issues.Notice:1. Actual color may vary slightly due to different monitor settings and lighting conditions. Allow 1-3 cm deviation due to manual measurement.2. Some items may include a logo. Please contact the seller if you have concerns.Specification:Test socket voltage range: AC 48-250VGFCI test: >5mAVoltage measurement (48V~250V/45-65Hz): YesLCD display: YesBacklight: YesSocket wiring test functions:Correct wiringMissing groundMissing neutralOpen neutralLive/ground reverseLive/neutral reversePhase and ground fault with missing groundSize: 65mm x 62mm x 58mmPackage includes:1 x Outlet Tester