- Two channel transmitter for use with two Sears, Lift-master and Chamberlain garage door openers.
- Compatible with operators manufactured between 1993-1997.
- Smart button to code (Green LED), Billion codes.
- Lift-master compatible models: 81LM, 83LM, 84LM, 99LM.
- Chamberlain compatible models: 850CB, 853CB, 856CB, 959CM.
- Sears compatible models: 139.53800, 139.53870, 139.53779, 139.53707, 139.53879.
- Battery and visor clip included.
- Programming Instructions
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