Innovative Dual Protection System Features twin solenoid and double silicon controlled rectifier (SCR), ensuring an always-on GFCI protection to ground fault, which doubles the service life of GFCI as an added layer of protection. Patented Self-Test Every 5 Seconds This GFCI outlet automatically performs a self-test every 5 secondsfar more frequently than the UL standard of every 3 hoursto ensure it's always ready to protect against electrical shock. In the event of a ground fault, it cuts power in just 0.025 seconds, providing fast and reliable safety for your home. Durable and Ultra-Safe DesignBuilt with premium high-impact resistant thermoplastic materials. Endurance-tested over 6,000 timestwice the UL requirement. Features advanced safety features like 6kV surge protection, Reset-Disable, and Reversed Wiring Prevention to ensure long-lasting performance and maximum protection. Easier to Install ELEGRP GFCI outlet is designed with a thinner profile to make