LIFTMASTER model 821LMB MYQ SMART HUB is a garage door accessory device.
The warranty on the 821LMB MYQ SMART HUB accessory is 1 year from LIFTMASTER.
The model 821LMB MYQ SMART HUB is still available.
LIFTMASTER model 821LMB MYQ SMART HUB accessory brochure in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_821lmb_brochure_20.pdf
(1.40 MB in English) This requires Acrobat 10 or higher