The LiftMaster 813LM 3-button remote control transmitter from Garage Door Supply Company is for use with Security+ 2.0 commercial garage door openers and gate operator receivers. The encrypted dip switch-style model 813LM LiftMaster remote control with 12 two-position dip switches can be programmed for "open," "close" and "stop" functions. This LiftMaster remote can transmit three frequencies simultaneously to prevent interference problems with your commercial gate operator or commercial garage door opener. The 813LM is compatible with LiftMaster 850LM universal external radio receivers and LiftMaster 860LM waterproof external radio receivers. Product Highlights:
DOES NOT WORK WITH RESIDENTIAL GARAGE DOOR OPENERS
