Added to Your Shopping Cart. Discover the outstanding performance of the 891LM Remote Control from LiftMaster. Model 891LM 3-Button Remote Control Model 893LM TO ERASE ALL CODES FROM MEMORY REMOTE CONTROLS MODELS 891LM & 893LM To prevent possible SERIOUS INJURY or DEATH from a moving gate or garage door: • ALWAYS keep remote controls out of reach of children. Watch how-to … How to Program LiftMaster's 891LM and 893LM Remote Controls to a Garage Door Opener. Superior quality and reliability you can trust from LiftMaster. Add to Cart. info California Residents: Proposition 65 WARNING. NEVER permit children to operate, or play with remote controls. CAD $33.27. The Item Was Not Added to Your Shopping Cart. DEALERS NEAR ME.