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LIFTMASTER model 412HM receiver. It receives using on frequency 390 MHz.

The warranty on the 412HM garage door receiver is 1 year from LIFTMASTER.

The model is discontinued.

LIFTMASTER model 412HM receiver instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_412hm_om.pdf

(0.22 MB in English) This requires Acrobat 10 or higher