If you have The Hampton Bay 68" Altura Ceiling fan with the rectangle receiver that is installed at the canopy. You will need the remote RR7078TR and receiver UC7067FMRX
If you have the Home decorators Collection 68" Altura Ceiling fan then you will need the FAN2R/RR7083TR Kit.
Specifications
Model: 68068 Altura 68 in Ceiling FanOM Part Number: 68068Altura68inOilRubbedBronzeIndoorCeilingFanOM Catalogue No.: 196267