【 Super Small Size and TIMER 】 You just need very small space to install the receiver unit into most fan canopy. However, please also check the dimension of receiver carefully to make sure there is enough space in the canopy of your fan although the receiver is really small size.TIMER buttons can set the sleep time from 1 to 8 hours 【 Easy Install 】 This receiver is stylish and easy to install. Its size is specifically made for Hampton Bay and Harbor Breeze fans,hunter etc. And it can be installed into most conventional ceiling fan covers. 【 NO Buzzer noise 】 NO dimming function This universal ceiling fan remote is Designed to be no buzzer noise so as not to affect others , only control by turn ON/OFF. 【 Replacement 】The super small size Ceiling Fan Remote Control is replacement of Hunter Westinghouse,Hampton Bay and Harbor Breeze . 【 NOTE 】 If you have PULL CHAINS SWITCH, before using the wireless remote control, use the PULL CHAINS SWITCH to turn the wind speed to maximum and turn the fan light on. Only in this way can the PULL CHAINS SWITCH and wireless remote control be used together. 【 Super Small Size and TIMER 】 You just need very small space to install the receiver unit into most fan canopy. However, please also check the dimension of receiver carefully to make sure there is enough space in the canopy of your fan although the receiver is really small size.TIMER buttons can set the sleep time from 1 to 8 hours