Stanley, Door Opening System, models:

28064	Quick Start Manual
Dura-Glide 2000AG Series	Installation Instructions, Quick Reference Manual
Dura-Glide Series	Owner'S Operation And Maintenance Manual
M-Force	Operation And Maintenance Manual
MA900n	Installation And Owner'S Manual
QDC-200	Installation Instructions
QDC-300	Installation Instructions
QED300	Manual
QSRK5267	Installation Instructions