I'm currently renting a home and there's a little block thing on my window with lights and when you take off a lid that can come off it had space for what looks like a battery, a black button, and a white switch that slides up and down ( I didn't take a picture with the lid on)

9 months ago 4


  1. Dale-E

    Glass breakage alarm. Put a battery in it and crinkle stiff heavy plastic wrap in front of it.

  2. G. Whilikers

    Probably a motion (of the window) alarm.

  3. Squidmaster

    Smoke alarm?

  4. margot

    cadillac breaks lucked

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