I am looking for an outswing automated door opener that meets the following criteria:

• Activates with a fob or button.
• Allows people to open the door even without the fob (manually by pulling)
• Has hardware that will not be visible on the outside of the door.
• Ideally under $200 and available in the U.S.A. Used would be fine as this is for a home project.

I don't have wiring running to the location but could figure something out, though ideally no major wiring requirements. The door is light and mostly hollow core, so it doesn't need much power behind it.