Product details: Garage door opener remote ONLY works for 1993-current Sears Craftsman, LiftMaster, Chamberlain brand openers with Purple Red Orange Yellow Green smart/learn button. CAN'T support Dip Switch ones. Easy to program: Universal wireless, programming means no cutting into the garage wiring or installation of an unsightly receiver. Multichannel – 3 button design allows control of up to 3 garage door openers at once, which eliminating the trouble of carrying multiple remote. Security+ 2.0 and Rolling code technology , the highest level of encryption, prevents hacking and provides peace of mind. Long range and stable work, working range of 120 feet, “no waiting” roll-in access ONLY works for 1993-current Sears Craftsman, LiftMaster, Chamberlain brand openers with Purple Red OraEasy to program: Universal wireless, programming means no cutting into the garage wiring or installation of an unsightly receiver.nge Yellow Green smart/learn button. Easy to program: Universal wireless, programming means no cutting into the garage wiring or installation of an unsightly receiver. Multichannel – 3 button design allows control of up to 3 garage door openers at once, which eliminating the trouble of carrying multiple remote.