The Faith GLS-20ATRWR-RB self-testing ground fault circuit interrupter outlet provides continuous protection from ground faults, disconnecting power in 1/40 of a second if a dangerous condition is detected. Once connected to power, this GFCI receptacle automatically self-tests every 2-1/2 hours. The green indicator LED light turns off if the outlet is not receiving power, is broken or if it is at end-of-life. Slimmer, modern design for easier and quicker installation in electrical boxes. Test and reset buttons match the device face color to blend in seamlessly. This weather resistant GFCI outlet provides for superior corrosion, temperature and UV resistance preventing discoloration and making it convenient for areas subject to moisture. Meets or exceeds UL943 2015 standards. Compliant with National Electric Code NEC requirements. ETL listed. Tamper-resistant shutter safety mechanism blocks access to power unless a plug is inserted, providing an extra layer of safety in households with children. Package contents: 1 20Amp white TR WR GFCI receptacle, 1 4.59x 2.76 white wall plate, 2 screws, installation manual, stickers, US-based customer support.