Liftmaster 81LM/850CB Remote Control Transmitter(See Tech. Details Below) - 1 button transmitter for Sears/LiftMaster and Chamberlain openers.Billion Code Smart Button.Models: 1993-1997. LiftMaster compatible models: 82LM 83LM 84LM 959CB.Chamberlain compatible models: 850CB 853CB 856CB.Sears compatible models: 139.53800 13953870 139.53779 139.53707 139.53879 139.53637. Battery and visor clip included
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- 1 channel transmitter compatible with the "Billion Code" series
- 390 MHZ Frequency compatible with operators manufactured between 1993-1997
- Smart coding button with GREEN LED
- Visor clip and Lithium battery (5 years life w/normal use) included
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Item# : SPM11743735930
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