LIFTMASTER model 600LM receiver. It receives using on frequency 390 MHz.

The warranty on the 600LM garage door receiver is 1 year from LIFTMASTER.

The model is discontinued.

LIFTMASTER model 600LM receiver instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE

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