💛FAN AUTO mode adjusts the speed automatically based on the temperature setting you select which will display on LCD. 💛BLUE BUTTON - Adjust and change the speeds from High to Low and Off. The yellow button can control the on/off or brightness of the light. 💛LIGHT TIMER and FAN TIMER buttons can set the sleep time from 0.5 to 24 hours, in one hour increments. 💛USE 4 “AAA” 1.5V BATTERIES - But not includes. Notice this remote control doesn’t have reverse function so that can’t perfectly replace the similar green remote control with the FOR/REV button or the similar yellow remote control with FOR/REV button 💛MAKE SURE - Your original remote control with FCCID: L3HFAN9T on the back. If the original remote control is inconsistent, please don’t buy this remote control.