1.Align it with the air conditioner. Press and hold the power button for 5 seconds and the air conditioner will beep. After turning on, immediately release the button to add successfully. 2.This provides you with a unique 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 brands and models of air conditioners, complete functions, 8-10m long transmission distance, simple setting. Color: Black Size: As pictures show. Notes: Due to the light and resolution setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. If your device is too old, it may not work. Material: plastic Package Contents: 1*Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.