Socket Tester Digital Display Fault Finder Checker Wall Outlet

1 The guard system can be tested to ensure the safety of household appliances and protect your safety, to protect you from the risk of electric shock. 2 Used to detect whether the null line, live wire, and the ground wire are connected correctly, and indicate the wire that lack of a clear light pattern. 3 It is widely used in power maintenance test, office socket test, power strip test and power socket test, in schools, laboratories, factories and other social fields. 4 With 7 easy-to-read indicator lights to indicate the status of the socket, easy to judge, can improve your work efficiency. 5 There are bright LED indicators and 3 test indicators on the display, which is very convenient for reading.

What's in the box
1 x Electric Socket Tester