Electrical outlet tester with digital LCD screen with NCV test, RCD polarity circuit voltage detector, for home, school, office, laboratory, and factory safety inspection

Features:1.Advanced Electrical Outlet Tester: Quickly detects whether the outlet's wiring connection is correct.
2.Portable Compact Size: Made of sturdy yet lightweight material, the outlet tester is easy to carry and convenient to use.
3.RCD Button for Leakage Testing: Plug the tester into the 3-hole outlet and press the RCD test button. The RCD will activate normally, indicating that the RCD is failing or missing.
4.NCV Test: Hold the tester and move it. The built-in buzzer will beep when the internal sensor detects AC voltage nearby.
5. High-definition LCD screen: The clear color LCD screen displays symbols for high voltage, neutral wire, NCV, live wire, ground wire, correct/incorrect wiring, etc., allowing you to see the test result at a glance.
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