LiftMaster 81640 81640 Product Guide - English - Page 1
LiftMaster 81640 Manual
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81640 ½ HP AC Chain Drive Wi-Fi® Garage Door Opener with Integrated Bluetooth® Technology PRODUCT GUIDE
![](/manual_guide/products/liftmaster-81640-81640-product-guide-english-7370d45/1.png)
½ HP AC Chain Drive Wi-Fi® Garage Door Opener
with Integrated Bluetooth® Technology
81640
PRODUCT GUIDE