20 AMP GFCI Outlet Receptacle Provide electric shock protection and prevent the risks of electrical fire caused by ground fault. LED Indicator Displays if there are any issues with the GFCI or if it needs to be replaced. ONLY if GFCI is malfunctioning, the LED indicator will turn OFF. TEST Button & RESET Button When the TEST button is pressed, the flow of electricity should be stopped, and the RESET button would be pop-out. To restore power, press the RESET button. Certified Our GFCI are ETL certified. An industry standard that assures quality and application specific electrical code compliance. Easy installation Back and side wired for easy installation Screwless wall plate Package include:10x 20AMP GFCI Outlet Receptacle (Wall Plate and Screws are included) .