X10 XTWS4777 X10 3 Way Wall Switch, Lights Between 40W and 500W, White

The WS4777 3-Way Toggle Style Wall Dimmer Switch Kit is designed to control incandescent bulbs (only) with a rating of 40 to 500W. A pushbutton is provided for local On/Off control on the Master. A Power Cutoff Switch located directly below the Local On/Off Pushbutton is provided for bulb changing. Both switches should line-up for normal operation. Capable of local dimming.

NOTE: Auxiliary switch not included. 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).