CRAFTSMAN / SEARS model 139.53778 transmitter. It transmits using on frequency 390 MHz. It has 3 button(s).
The warranty on the 139.53778 garage door transmitter is 1 year from CRAFTSMAN / SEARS.
The model 139.53778 is discontinued.
CRAFTSMAN / SEARS model transmitter instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
craftsman_139_53778_om.pdf
(0.16 MB in English) This requires Acrobat 10 or higher