![WITT: On the ceiling in a hotel. There is a smoke detector in the same room as this. It's completely smooth on all sides besides the gray thing in the middle : WITT: On the ceiling in a hotel. There is a smoke detector in the same room as this. It's completely smooth on all sides besides the gray thing in the middle :](https://i.redd.it/x7teqxiwbh761.jpg)
WITT: On the ceiling in a hotel. There is a smoke detector in the same room as this. It's completely smooth on all sides besides the gray thing in the middle :
![Fire Alarm Hanging from Ceiling - Picture of Royal Stays Suites - Blue Jays Way, Toronto - Tripadvisor Fire Alarm Hanging from Ceiling - Picture of Royal Stays Suites - Blue Jays Way, Toronto - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-p/08/77/20/49/royal-stays-suites-blue.jpg)
Fire Alarm Hanging from Ceiling - Picture of Royal Stays Suites - Blue Jays Way, Toronto - Tripadvisor
![Reach a Smoke Alarm in a Cathedral Ceiling With an "Alarm Arm" (version 1) : 8 Steps (with Pictures) - Instructables Reach a Smoke Alarm in a Cathedral Ceiling With an "Alarm Arm" (version 1) : 8 Steps (with Pictures) - Instructables](https://content.instructables.com/FVM/KHNX/IWH3FV4N/FVMKHNXIWH3FV4N.jpg?auto=webp)
Reach a Smoke Alarm in a Cathedral Ceiling With an "Alarm Arm" (version 1) : 8 Steps (with Pictures) - Instructables
![Installation and repair of electric cable, lamp bulb, smoke detector, fire alarm system before installing a stretch or suspended ceiling. Concept of t Stock Photo - Alamy Installation and repair of electric cable, lamp bulb, smoke detector, fire alarm system before installing a stretch or suspended ceiling. Concept of t Stock Photo - Alamy](https://c8.alamy.com/comp/RE1BD3/installation-and-repair-of-electric-cable-lamp-bulb-smoke-detector-fire-alarm-system-before-installing-a-stretch-or-suspended-ceiling-concept-of-t-RE1BD3.jpg)
Installation and repair of electric cable, lamp bulb, smoke detector, fire alarm system before installing a stretch or suspended ceiling. Concept of t Stock Photo - Alamy
![Smoke Alarm, Fire Alarm 10 Years Life Smoke Detector with LED Indicator&Test Button, Replaceable Battery,Conforms to EN14604 Standard, Sound and Flash Alarm 85dB/3m for Home Kitchen, Easy Install : Amazon.co.uk: DIY & Smoke Alarm, Fire Alarm 10 Years Life Smoke Detector with LED Indicator&Test Button, Replaceable Battery,Conforms to EN14604 Standard, Sound and Flash Alarm 85dB/3m for Home Kitchen, Easy Install : Amazon.co.uk: DIY &](https://m.media-amazon.com/images/I/61JzVGwhZJL.jpg)