1.Align it with the air conditioner. Press and hold the power button for 5 seconds and the air conditioner beep. After turning on, immediately release the button to add successfully. 2.This provides you with a remote control that brings more convenience to your life. 3.Compact design: easy to carry, fits perfectly in pockets, bag or carrying case. 4.It is designed to remotely control various and models of air conditioners, complete functions, 8-10m long transmission distance, simple setting.