LIFTMASTER model 370LM transmitter. It transmits using on frequency 315 MHz, Security plus (315 MHz). It has 3 button(s).

The warranty on the 370LM garage door transmitter is 1 year from LIFTMASTER.

The model 370LM is discontinued.

LIFTMASTER model transmitter instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_370lm_om.pdf

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