200 FT Longer Remote Range - Strong RF signal of this remote light switch can work through walls, doors, and windows, providing the flexibility to mount the 3 way wireless switch anywhere within ...

Or flip a switch at the bottom of the stairs, and then again at the top. The next person, coming from either direction, must be able to turn the light on again. That's where 3-way switches come in.

GE says “the entire family has been enhanced” so that when you install a Cync switch on a three-way circuit ... tunable white light, music syncing, and addressable LEDs.