811LMX Liftmaster 1-button Commercial Garage Door Opener Remote
Liftmaster 811LM 1-button remote is a great choice when used with the
Liftmaster 850LM universal 3-channel radio receiver. The 811LM remote
can also be used with the 860LM Liftmaster Universal receiver and
Security +2.0 compatible Liftmaster gate operators. The remote has cloning capabilities of existing Liftmaster DIP switch remote controls 61LM and 361LM as well as the 811LM Liftmaster encrypted DIP switch remote.