The garage door opener remote is only compatible with Sears Craftsman Lift Master Chamberlain brand door openers since 1993 with smart learn button purple red orange yellow green, 893MAX garage door opener remote. [DIP switch is not supported]. Easy to Program: Wireless universal garage door opener programming means no need to cut garage wiring or install unsightly receivers. MULTI-CHANNEL - 3-button design allows you to control up to 3 garage door openers simultaneously, eliminating the hassle of carrying multiple universal remotes. Security+ 2.0 and Rolling Code technology are the highest levels of encryption available to prevent hackers and provide peace of mind. Stable remote work, the garage door opener remote working range is 120 feet, no need to wait for direct access