Displayed is a socket tester for UK standard. With various combinations of indicators, this socket tester can tell if the wiring is okay or not at ease. 

With UKCA Approval.

LED indicators & Digital display.

Test for 180-260VAC circuit.

It can perform self test after plug-in ( Voltage sould be above 180V ).

Detect faulty wiring status in 3 wire receptacle.

This socket tester will give LED indication as well if the main voltage is below 200V or above 260V.

Earth loop impedance test.

Power Plug type: UK 13A socket-outlet

Measurement Category: CAT II / 4W

Frequency: 50Hz