Door windows sensors question

What door/window sensors do you have, are you satisfied with them, and what protocol do they use?

Lots of info if you search the forum for “door window sensor recommendation”

I use just a plain zigbee contact sensor that I installed inside window frame.

Or this …
Tips on Searching for Answers & Duplicate Topics in the Forum.


Thank you, easy to search there and did find this thread
Good Door/Window Sensors in 2024? - Hardware - Home Assistant Community (