Control the most popular brands of openers & gate receivers including LiftMaster, Chamberlain, Genie, OHD, Wayne Dalton, Linear, Marantec, & more. Compatible with most rolling code and fixed code dip switch products since 1993. Each button pre-programmed with a different mfgrs code; can also be re-programmed individually for other mfgrs combinations. Teach & Pair feature simplifies programming. Built in LED light. Visor Clip and Keychain