Detailed Description  -Q3 is an universal Air-conditioner Remote Controller --It has the function of flashlight(can be used as a flashlight). - It has a powerful codebase and can control most air-conditioners of all brands in the world. - It has a memory function during the electricity failure; It also has a function of manually searching (plus or minus) or automatically searching for adaptable type of air-conditioners, which makes it easy and convenient for you to search for a suitable type of air-conditioner. - It has complete functions and a comfortable hand feeling, which bring you enjoyment to the maximal extent.