You are Buying a brand New And Factory Sealed Leviton 20 Amp 125-Volt Duplex Smart Test Self-Test SmartlockPro Tamper Resistant GFCI Outlet, White Model # R92-GFTR2-0KW...Patented lockout action prevents reset if GFCI is damaged and cannot respond to a ground fault Electronics are designed to minimize any false triggers Reduced depth makes it easier to install in any electrical box, even shallow ones Terminals allow for easy wiring options, back and side wire capable External back wire clamps provide visual indication of proper wire seating Withstands high torque and resists wire pullout Designed to meet the latest UL standard for auto-monitoring (self-test) our complete line of self-test GFCI's periodically conduct an automatic internal test to confirm that it can respond to a ground fault. With the slimmest profile on the market, the device allows for fast and easy installation, while Leviton's patented reset lockout mechanism prevents reset of the GFCI if it is not wired or operating correctly..