Protect devices from surges up to 1500 Joules; LED indicators for real timer monitoring of grounding and surge protection; replaces standard outlet receptacles Tamper-resistant (TR receptacles prevent unwanted objects from being inserted.) 2011 NEC Article 406.14. This child safety feature only accepts proper plugs inserted at the right angle to enter the receptacle, resisting all other force from foreign objects Suitable for residential and commercial offices, entertainment rooms, living rooms, kitchens, and bedrooms Shallow body design for maximum wiring; rear or side options. Outlet dimensions 2.75x1.5x1.31. Break-off plastic ears; installation instructions included; Wall plate sold separately Complies with 2017 NEC, Article 406.12 for tamper-resistant receptacles, 20A 125V, self-grounding, 2-pole 3 wire, UL Listed, 1-Year Warranty