(1) This replacement Only works with GREE Air Conditioner Remote Control Model Number (Part Number): YAA1FB YAA1FBF YAA1FB1 YAA1FB1F This is NOT a universal air conditioner remote control,it is only compatible with "YAA1FB" "YAA1FBF" "YAA1FB1" "YAA1FB1F" Please make sure your old remote control model number MUST BE "YAA1FB" "YAA1FBF" "YAA1FB1" "YAA1FB1F". (2) Display in Celsius only but it also works for Fahrenheit Air conditioner. (3) No battery included. (4) Please verify that this is the correct model for your unit prior to ordering. If you have any questions or you are looking for some other remote control models, please feel free to contact us,or leave message. We are professional in remote control for AC\TV\DVD\projector and so on. We have thousands of models for all kinds of brands remote controls in stock! we have only uplanding a few items on line store for time limited.