Sears Craftsman Garage Door Opener remote transmitter 139.53985D 139.53990D
Liftmaster Sears Craftsman Chamberlain 1 ,2 or 3 Button 315
Mhz new style security.
Compatible Visor remote for use with purple learn button and purple antenna .
if you have a red learn button and dark grey antenna you need a 971lm remote 390mhz .