1 [GFCI Function] This electric tester tests GFCI equipment by simulating a ground fault condition, which is suitable for GFI sockets, and confirms the operation of the ground fault protection device. 2 [Voltage Display] This GFCI tester with LED display can help you measure the socket voltage, and it is clearly displayed on the LCD screen for easy observation. 3 [Durable And Sturdy] Compact ergonomics and high impact ABS shell, good shock and compression resistance, compliant with CAT III 300V and CE marking. 4 [Easy To Use] The socket tester can detect open wiring faults through open ground, open heat, open neutral, reverse polarity, and thermal neutral reverse wires. 5 [Range Of Application] This socket tester can detect the most common wiring faults in standard and GFCI power sockets, and also uses standard 3 wire and GFCI protected 220 volt AC sockets.
What's in the box
1 x Socket Tester