The easy-to-use Casablanca Fan Company Universal Handheld Remote Control has 4 forward fan speeds as well as full range light dimming. It features a CFL Auto-Detect that prohibits dimming if non-dimming CFL bulbs are used in a fan. It also eliminates dip switches and frequency interference through the use of its Learning Code Synchronization. The control can be used in either indoor or damp outdoor environments. Comes with receiver.