GFCI Tester detects the most common wiring problems in standard and GFCI receptacles
Works on GFCI outlets and confirms operation of the ground fault protective device
Durable, hard shell built to withstand a 6.6-foot (2m) drop
Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
Easy to read lights make determining faults a breeze
Built in GFCI trip tests outlet protection