GFCI Outlet 20 Amp, UL Listed, Tamper-Resistant, Weather Resistant Receptacle Indoor or Outdoor Use, LED Indicator with Decor Wall Plates and Screws (White) - Walmart.com
Residual-current device - Wikipedia
Leviton 20 Amp Self-Test SmartlockPro Slim Duplex GFCI Outlet, White R12-GFNT2-0RW - The Home Depot