Published On Jun 22, 2023
Chamberlain B4643T Smart Garage Opener at Amazon(sponsored): https://amzn.to/3JozOvB
Chamberlain 8' Door Extension Kit: https://amzn.to/3Pu8Tm0
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This video is a complete install, demo and review of the Chamberlain B4643T MyQ enabled smart garage door opener.
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