Liftmaster Model 973LM
Original Liftmaster remote: 96LM,973LM.
Current Liftmaster replacement: 973LM.
Original Chambelain remote: 953CB.
Current Chamberlain replacement: 973LM.
Current Sears replacement: 973LM.
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 techknowledgy. Compatible with all Security+ models . Operates three Liftmaster, Chamberlain or Sears opening devices equipped with Security+ technology.