Plug Tester, SP-Cow New Advanced Voltage Display DRC Power Plug 48-250V, Automatic Current Polarity Voltage Detector, Circuit Testers

Electrical Outlet Tester: Advanced outlet tester for quickly detecting whether the outlet wire connection is correct or not. You can test the protection system to ensure home electrical safety. Perfect for protecting your safety against the risk of electrocution.

Bright LED Display: The light patterns are clearly labeled on the back of the device. The red LED indicators are clearly illuminated even in direct sunlight. The tester has a built-in light so it can also be used in the dark, allowing you to read the results quickly.

DRC Function: This electrical tester tests RCD devices by simulating an unconnected ground condition. It operates on RCD outlets and confirms the operation of the unconnected ground protection device. It tests standard outlets that are wired in parallel with RCD outlets. Be careful to use this function on normal outlets. Using it on these outlets can cause the home's wiring to trip.

Portable Design: Compact size, lightweight, and convenient to use.

With a backlit LCD voltage display for testing voltage. 7 LED light modes: with 7 easy-to-read indicators to show the socket status, easy to judge: OK, Open Ground, Open Neutral, Reverse Live/Neutral, Reverse Live/Ground, Live Open, and Reverse Neutral Live.