STANLEY model 4200 ST keyless entry. It transmits using dip switch on frequency 310.
The warranty on the 4200 ST garage door keyless entry is 1 year from STANLEY.
The model 4200 ST is still available.
STANLEY model keyless entry instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(0.02 MB in English) This requires Acrobat 10 or higher