893MAX is compatible with all LiftMaster garage door openers manufactured since January 1993 to present This powerful multi-door control can operate three garage door openers or gate operators, or MyQ enabled light accessories. It features Security+ 2.0 rolling code technology that significantly reduces radio wave interference and makes it virtually impossible for anyone to steal your remote control signal. Can control up to three garage door openers or gate operators, or MyQ enabled light accessories Equipped with Security+ 2.0 rolling code technology that virtually eliminates radio wave interference 5-year 3V lithium battery included Compatible only with Security+ 2.0 LiftMaster® garage door openers or gate operators.