1. Outlet circuit tester: Used to detect faulty wiring in standard sockets. Plug in and ensure that the outlet is properly grounded and then watch red&amber indicators.
2.The outlet tester is UL listed, for use on 125VAC circuits.
3.Circuit tester small size, easy to carry, applicable to a variety of scenes, one of the necessary tools at home!
4.All appliances or equipment on the circuit being tested should be unplugged to help avoid erroneous readings.
5.If you have any questions about the product, please feel free to contact us. We will serve you wholeheartedly.