Attach a FanSync Single Light Receiver to your ceiling fan and control its functions with the simple touch of a button or tap of your smartphone. The FanSync system features Bluetooth connectivity, three speed settings, a single downlight control, timer functionality, as well as a reverse direction feature for fans with reversing capabilities. Control and enable these various functions with a hand-held FanSync transmitter, or download the FanSync app to control your ceiling fan from your smartphone. The FanSync app allows you to operate multiple fans from one single phone, or operate one fan from various different phones. Please note each fan you would like to control must have a FanSync Bluetooth Receiver. FanSync is not brand specific and will work with a variety of ceiling fan makes and models. FanSync Transmitter sold separately.