Instructions for use: Install the remote control into the CR2032 battery and align it with the air conditioner. Press and hold the power button for 5 seconds, and the air conditioner will beep. After powering on, release the button immediately to successfully add. With this you have a unique remote control, bringing greater convenience to your life. Perfectly meets all your need at any time.Durable 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 various brands 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: 10 * Air Conditioner Remote Control 10 * lanyards / 2 * Air Conditioner Remote Control 2 * lanyards / 5 * Air Conditioner Remote Control 5 * 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.