: Ground Fault Circuit Interrupters with Dual USB Ports (Type-A + Type-C) Supports USB charging for all devices.Say goodbye to bulky chargers. Power your smartphone, tablet, earbuds, and more with ease - : Automatically performs a self-test every 40 seconds to ensure continuous shock protection is always ready. In the event of a ground fault, it cuts power within 0.025 seconds, delivering fast and reliable safety for your home.Green light: Working normally.Red light: Tripped.Flashing red light: Faulty, needs to be replaced.No light: Wiring is incorrect,check the wiring - (): Built-in shutters automatically block unused slots, preventing children from inserting objects and reducing shock risk.ETL Listed TR Certified for reliable protection. Peace of Mind for Families crucial safety upgrade for homes with kids. Shutters open only with proper plug insertion, ensuring sa