The Legrand WNRCB40NI from the Radiant collection is a wireless smart scene controller powered by Netatmo technology. Use this battery-operated smart scene switch to control up to four full lighting scenes with one touch. Add to any wall, no wires or tools needed, then create your scenes easily within the app. A great addition for living rooms, dens and more, the switch makes it simple to quickly set the perfect lighting for a movie or game night.