Instructions for use: Install the remote control into the CR2032 battery and align it with the air conditioner. and hold the power button for 5 seconds, and the air conditioner beep. After powering on, release the button immediately to successfully add. With this you have a remote control, bringing greater convenience to your life. Perfectly meets all your need at any time. material: made of environmental protection plastic shell materials,can use long time with great touch. Compact design: Easy to carry around,fits perfectly in the pockets or case or your carrying bag. It has been designed to remotely control and models of the air conditioners, complete functions, 8-10m long transmission distance, easy setting. Colour:Black Material:plastic Distance: 8-10m long transmission distance. Power Supply: CR2032 batteries(Not included batteries) Package Contents: 20 x Air Conditioner Remote Control 20 x lanyards 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.