![What is this weird device on my apartment wall and can I hang a tapestry over it? : r/whatisthisthing What is this weird device on my apartment wall and can I hang a tapestry over it? : r/whatisthisthing](https://preview.redd.it/z6w1eugsu0i31.jpg?width=640&crop=smart&auto=webp&s=90d842fbf578b1714b9e0b3c94b2cc6a9ae6d6ac)
What is this weird device on my apartment wall and can I hang a tapestry over it? : r/whatisthisthing
![Hey! Can anyone tell me what type of a fire alarm/horn this is? I have 2 in my new studio apartment and they're really fucking loud : r/firefighters Hey! Can anyone tell me what type of a fire alarm/horn this is? I have 2 in my new studio apartment and they're really fucking loud : r/firefighters](https://i.redd.it/7adns7u9rq131.jpg)
Hey! Can anyone tell me what type of a fire alarm/horn this is? I have 2 in my new studio apartment and they're really fucking loud : r/firefighters
![What is this speaker in my apartment? I've heard of things being able to detect smoke, crowds, vape, or thc. Is this one of them? It's not a fire alarm, I have What is this speaker in my apartment? I've heard of things being able to detect smoke, crowds, vape, or thc. Is this one of them? It's not a fire alarm, I have](https://i.redd.it/g4vb80zbnjy81.jpg)
What is this speaker in my apartment? I've heard of things being able to detect smoke, crowds, vape, or thc. Is this one of them? It's not a fire alarm, I have
![What is this rectangular object next to the smoke detector in my apartment?Thank you! : r/whatisthisthing What is this rectangular object next to the smoke detector in my apartment?Thank you! : r/whatisthisthing](https://preview.redd.it/tb7xzbjeapm61.jpg?width=640&crop=smart&auto=webp&s=3bcd8c44936cb83b950a4d465e35f5f970950bd9)