CRAFTSMAN / SEARS model 139.3050 keyless entry. It transmits using billion code on frequency 315.
The warranty on the 139.3050 garage door keyless entry is 1 year from CRAFTSMAN / SEARS.
The model 139.3050 is discontinued.
CRAFTSMAN / SEARS model keyless entry instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(1.76 MB in English) This requires Acrobat 10 or higher