What is GFCI ? GFCI stands for Ground Fault Circuit Interrupter. It has a safety feature that will trip and shut off power within milliseconds of detecting a ground fault. This helps to protect against electrical shock. LED Indicator Green LED Light ON when GFCI is installed correctly and is providing power properly. Red LED light ON when GFCI is malfunction. No LED light when GFCI trips or mis-wired. Safe ETL Certification It offers electrical shock through advanced GFCI design as well as the fireproof poly-carbonate housing helps reduce fire risk What you will get ? 1 x White GFCI Outlet 1 x Standard-Size Screwless Wall Plate 2 x Receptacle Mounting Screw 2 x Color-Matched Outlet Cover Screws 1 x Installation Guide.