Two Modes of Operation: Billion Codes/Security+|Security+2.0, switch according to the operating mode of the original remote or door opener. Before purchase, please make sure your Chamberlain Liftmaster system is using 433MHz frequency
Billion Codes/Security+ compatible with Chamberlain LiftMaster MotorLift 433E, 8433E and 9433E series remotes, such as 4335E/EML, 84335E/EML, 94335E/EML; Security+ 2.0 compatible with Chamberlain LiftMaster TX4UNIS, TX4UNI, TX4UNIF, TX4RUNI
Attention: Not for models LM50K, ML510, HE500AN, LM50(LM50EV), LM55(LM55EV), LM55EVS, LM55K, LM60/80/100EVO, LM750EVGB. If you have any questions about our remotes, please contact us