How to factory reset a TL-WPA4220 TP-Link AV600 Powerline Wi-Fi Extender

A quick video on what button to press and for how long to reset a TL-WPA4220 powerline wifi extender to factory defaults. This would be helpful to do if you've forgotten the wifi password or admin password for the device.
Shows what the lights do when you hold the reset button and how to pair the device back up with an existing power line network or custom named power line community.

tl;dw: Hold down the reset button for 6 or more settings or until the "house" light goes out.