Convenient Led Night LightAutomatically turns light on in dark and off in daylight to save energy. Saves space by eliminating the need to use an outlet for a plug-in night light. Self-Test Every 5 SecondsThe GFCI outlet automatically conducts 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 of 3 hours. Tamper ResistantAutomatic shutter system prevents young children from inserting unwanted objects into the outlets. Safe EnoughStrictly tested as per or exceeds UL943 & UL498 requirements. Innovated Reset-Disable System ensures the GFCI cannot be reset once it reaches the "end of life". Constructed with premium high-impact resistant thermoplastic materials and rational structure design, ensures superior strength and durability. Easy InstallationThe GFCI receptacle replaces any wall outlet and utilizes existing wires. It's back and side