Multichannel3 buttons remote design allows control of up to 3 garage doors at once, which eliminating the trouble of carrying multiple remote. A detailed user manual is included to help you get set up in minutes. Easy to carry, Fits in purse, pocket or on a key chain.Safe & ReliableIt features latest Security+2.0 rolling code technology that significantly reduces radio wave interference. Can protects against intruders by generating a new security code every time the remote control is used on your garage door opener. For your garage property security to provide high quality assurance, you do not need to worry about security issues.2 packsWe prepared two garage door opener remotes for you so that you can still get "no waiting" roll-in access even if you lose one; You can also give one of the remotes to your family, when you take away the remote from home and your family is going to enter the garage, another remote will give them a hand. Its the easy option for adding an extra remote to multi-car families or for replacing lost or broken remotes.Universal CompatibilityWorks on LiftMaster, Chamberlain and Craftsman garage door openers manufactured from 1993 to current. It can be suitable for the Yellow/Purple/Red/Orange/Green learn button. Replacement for Liftmaster part numbers 87504-267, 87802, 85503-267. Chamberlain part numbers 850CB, 853CB, 856CB. Sears craftsman part numbers 139.53779, 139.53879, 139.53779, 139.53759.Long Distance Working RangeFurther remote control coverage, stronger signal transmission, garage door opener remote working distance up to 120 feet. Convenient and versatile, it is your must-have garage remote control alternative.