Options to mount on a thin door frame
I want to install the video door bell where the existing audio bell is installed. But I have a thin door frame. What are my options?
Ah - I missed the attachment. That's a tough call - all I can think of is to mount it on the angle bracket to the brick surface. Otherwise, on the opposite side of the door if room permits.
Including the moulding - 1.7 inch (1 in flat surface, 0.7 in moulding)
So the door frame is a little too narrow, even if you cut the moulding.
@jguerdat's angle bracket idea would work, though it might be a bit tricky to conceal the wiring (and you wouldn't want the wiring to be exposed to the elements).
You might also check with a carpenter - I suspect you could replace the trim on the outside with a 2" board (though it would extend about .3" over the side door jamb).
FWIW, the Arlo Audio Doorbell is about 1.5" wide. Though that would need a separate camera to pair with.