Liftmaster Model 976LM
Compatibility list: Works with openers that use: 971LM, 972LM, 973LM, 974LM Security+ transmitters.
Universal receiver compatibility:Security+ models-335LM,535LM,412HM,635LM.
Compatible with Liftmaster garage door operator models : 1240R, 1245R, 1246R, 1255R, 1265R, 1000SDR, 2000SDR, ATS211R.
Compatible with Chamberlain garage door operator models: 1200, 2200, 4200, 6200, 7220, 8200, 9200, 4620, 4640, 9902.
Over 100-billion code rolling code technology.
Compatible with all Security+ models. Operates with Liftmaster, Chamberlain or Sears opening devices equipped with Security+ technology.