"UNIVERSAL HEATING AND COOLING REMOTE CONTROL"Universal Remote Control For Air-Conditioners And Heat Pumps.This is the best Upgrade to the model Q338F *Controlling over 1000 different world famous brands of air-conditioners. *Using intelligent digital IC, fast search and low power consumption. *Newest and elegant compact shape design. *Large LCD monitor display and with "timing" function. *Built In Clock*Large capacity of codes library. *Fore-and-aft search, much easier than Q338 to find the correct code*Easy to operate. *Fast "Heat" Key & Fast "Cool" Key!*Celsius Only Temperature DisplayWe ship USPS Priority Mail Or First Class Mail Usually the Same Day.Guarantee: If it does not work with your system and operate to your satisfaction we will refund your purchase price less postage if returned in the original packaging within 14 days from receipt of remote.