From the merchant: Installation for one slide dimmer switch for either incandescent, fluorescent, or LED lights
The Fine Print
Promotional value expires 120 days after purchase. Amount paid never expires.Appointment required. Limit 1 per person, may buy 1 additional as a gift. Limit 1 per visit. Limit 1 per household. Valid only for option purchased.Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.