SmartLock GFCI duplex receptacles with nylon wall plate, matching buttons, and indicator light. Can be wired to protect all receptacles downstream on the same circuit. Terminal screw wiring can be back and side wired. Compact design with rounded corners fits easily in all surface and flush boxes, only 1-1/8" deep. Smooth plastic cover and body. Silver-alloy terminal contacts. Complies with UL 206 GFCI requirements, UL Standard 943 Class A (GFCI); and UL Standard 498 (receptacles). 15A/125V. NEMA 5-15R. 1 per clamshell.