LCD readout shows the time required to trip a GFCI device
Detect and identify common wiring faults
Patent pending detection of Open Neutral Open Ground wiring fault
Auto-Hold is convenient for hard-to-reach outlets
Bright green and red LEDs illuminate for visual indicators
CAT II 135V safety rating
Durable 6.6-Foot (2 m) drop protection
For use on 3-wire, North American 120V electrical outlets only