Leviton A7899-T SmartlockPro Slim GFCI with Audible Trip Alert, 20-Amp, 120-volt, Light Almond Audible alarm sounds when the GFCI trips, providing an alert that power has been disconnected from load(s) plugged into or fed from the GFCI Leviton patented reset lockout prevents reset if the GFCI is damaged and cannot respond to a ground fault Tamper-resistant to meet the latest National Electrical Code child safety requirements Required by the National Electrical Code in Residential and Commercial properties Slim design is easy to install in any wall box