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Merkur112
3 months ago

Do you happen to be in the same room with a hood and an open fireplace or oven?

Merkur112
3 months ago
Reply to  Ldlflqpspd

Then I would join @. It is certainly a fracture sensor and part of an alarm system.

If a chimney/oven and a kitchen are in a room, a so-called contact switch must be installed on at least one window so that the extractor hood can be switched on. If, when the window is closed and the open fire, the extractor hood is active, it would suck the CO2 out of the chimney shaft into the space, which can be fatal.

Franky12345678
3 months ago

You better ask your landlord.

Looks like a collapsed break-in alarm system.

I wouldn't trust her to work seriously.

alterzapp
3 months ago

A fake burglary. I think you're supposed to have criminals come to visit you. You can dispose.

timerstyle
3 months ago

The first is a motion detector of a Telenot alarm system and the other glass break detector or door contacts 😉

Greetings

nobodyathome
3 months ago

I would say that belongs to an alarm system

in the third picture are glass break sensors

and that in the first could detect an opening of the window

vogerlsalat
3 months ago

Is the apartment flat flat flat?

Only then would an alarm make sense on the windows. Something else I can't imagine.

frodobeutlin100
3 months ago

Looks like an alarm system.

MussKlo
3 months ago

Murx what else?

iQhaenschenkl
3 months ago
Reply to  MussKlo

Could it also be an older alarm system?🙄

MussKlo
3 months ago
Reply to  iQhaenschenkl

Murx