Dimmable light switches for INCANDESCENT and HALOGEN lights only, 9 in total. All but one was installed before our contractor realized they wouldn't work with our LEDs. They were replaced immediately but we couldn't return without the boxes. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Electrical Outlets, Switches & Accessories\Electrical Switches & Dimmers". The seller is "ginder96" and is located in this country: US.This item can be shipped to United States.