A garage door opener is a mechanical device that is installed to open and shut down the garage door with the enable of a remote control, automatic sensor or a switch positioned on the wall. For some men and women the garage doubles as a workshop or perhaps it is been turned into a three-season space to hang out in. Getting in a position to add some music to your workshop (garage) by adding a bluetooth speaker module to the garage door operator is quite cool. There are quite a few forms of chamberlain garage door openers ranging from varied cots. And when you’re not applying it the battery is acting as a backup to the garage door operator in case there is a energy failure.