Scatola tester lampada tester tensione LED per spina B22 E14 E27 GU10 G4 a G12 G9 EU
Interface Type: B22, E14, E27, GU10, G4 to G12, G9 Lamp Base. Simply insert the LED bulb into the designated socket, press the switch, and you are ready to test! After connecting the load for 1 second, the power is displayed.