What is the default factory password?

One of our customers used VPN to enable internet access for GarageDoorBuddy Remote. Here’s the setup. Mounted GDB with zip ties, then plugged it into a digital programmable timer so

There is a small hole at the bottom of the monitor, use a pen or paper clip to hold the button inside the hole. When you hear 4 beeps, release

If you know how to solder wires, check this link. https://forums.lutron.com/showthread.php/987-Chamberline-MYQ-openers-not-compatible-with-RA2-Visor-Control