Automatically self-test (auto-monitor) every 5 seconds to ensure the GFCI is continually working to protect people from electrocution， which exceeds the UL standards of self-test frequency

Always Safe - GFCI features surge protection and lighting protection function withstanding 6 kilovolt. Performed 6000+ times factory test， which is twice the testing times of UL standard

Easy to Install - no grounding wire required; provide 2 different grommets for wiring cable 14AWG， 16AWG and 18AWG

Water Resistant GFCI - auto Reset GFCI (Ground Fault Circuit Interrupter) with LED indicator reaches Level IP65 waterproof. Built in LED power indicator light to show when there is power

Wide application - perfect for indoor or outdoor use in a variety of electrical equipment， such as generators， cleaning machine， vending machines， Spa， power pressure washer， pool pump， generators， vacuum cleaner， pumps， heaters， household electrical appliances， cord-and-plug-connected high-pressure spray washing machines， tire inflation machines， dishwashers， power stripe extension cord and Cord Reel， etc.

Manual Reset - Manual Reset Cord Sets will need to press reset button after initial plug-in or after a power failure

Indicator Light - the bright "Green" light indicates when the power is "ON"

Certification - UL/CUL Listed