| 1 button transmitter for Sears/Lift-master and Chamberlain openers |
| Works with 8 or 9 three position dip switch systems |
| Battery and visor clip included |
| Lift-master compatible models:51LM,53LM,54LM |
| Chamberlain compatible models:750CB,753CB,756CB |
| Sears compatible models:139.53707,139.53758,139.53778,139.53515, 139.53606,139.65843 |
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