SmartlockPro tamper-resistant GFCI duplex receptacle meets the 2008 NEC requirement. Shutter mechanism inside the receptacle blocks access to the contacts unless a 2-prong plug is inserted, helping ensure hairpins, keys, etc., will be locked out. Back and side wired. Can be wired to protect all receptacles downstream on the same circuit. Heavy-duty construction offers long, trouble-free service life. Includes LED indicator light. 15A/125V. NEMA 5-15R. UL listed and CSA certified for tamper-resistant devices. Limited 2 year warranty.