Features:

·         Works with PURPLE and Red learn button - 315mhz

·        315mhz and 390mhz

·         9V battery included

·         Compatible with Sears, Craftsman, Chamberlain, and Liftmaster models

·         For 139.53753 139.53681B Craftsman compatible

·         For 950CD.956D.953CD; Compatible keypad: 377lm  977LM