Companion switches can be purchased individually to go with the XTWS4777 Wall Switch Set. This is the slave switch for 3 and 4 way applications, to be used with a Master Switch.
Note: A 3-Way / 4-Way system, by definition, means two or more existing wall switches which operate one single light (can be multiple lights if all come on together).
Available Color: White
X10 TECHNOLOGY
X10 manufactures home automation products using X10 powerline carrier and wireless technologies. Have complete automated control of lights and appliances from anywhere in your home with X10.