X-10 PRO PLW02 X-10 PLW02 WALL SWITCH/ LINE Automate your lights, remotely control them & make them dimmable! Upgrade your existing 3-way wall switch to an X10 PRO-enabled wall switch. This 3-way switch module set is perfect for automation of indoor/outdoor lights including front porch, patio, hallway, and stairway lights currently controlled by two or more switches. The X10 wall switch can only be used with incandescent lights.