Here is a diy inspired from camtraption sensor.
The goal is almost the same, cheaper, almost all done myself.
PCB is designed by myself
Case for sensor is designed by myself
Box is from a equal of Pelicase (cheaper Basetech 658800 from www.conrad.com) and 3d printed part are done for fixing window and do the weatherproof

Prusa

i3 MK2.5

No

Yes

0.2

20-30%