Found it mounted on a wall, wtf is it? Inb4 "it's the feds listening"
Motion detector. Typically for alarm systems. Moving it definitely triggered it lol.
>>31537035Ah okay good to know, thanks anon.
>>31537005It works using infrared. Many office buildings have these all over the place. My house has one in front of the basement stairs so the lights go on automatically when you walk down the stairs into the basement.
>>31537005>>31537012>anon disassembled the door dongleoh no how will the automatic doors open now ;_;
they are also commonly used in commercial buildings as "request to exit" sensors to unlock or open doors automatically when they are approached from the secure side.
