LIFTMASTER model 387LM UNIVERSAL keyless entry. It transmits using billion code on frequency 300.

The warranty on the 387LM UNIVERSAL garage door keyless entry is 1 year from LIFTMASTER.

The model 387LM UNIVERSAL is still available.

LIFTMASTER model keyless entry instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE

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