![Just moved into new flat. What is this blinding green light? Red light is fire alarm. : r/whatisthisthing Just moved into new flat. What is this blinding green light? Red light is fire alarm. : r/whatisthisthing](https://preview.redd.it/n1na3wzstqjz.jpg?auto=webp&s=80857fc1cdafbdaea7e1b3b2f3e18561390cc5b1)
Just moved into new flat. What is this blinding green light? Red light is fire alarm. : r/whatisthisthing
![DETA 1151 smoke alarm, interconnected. Beeping and light confusion! - Smoke Alarms - Safelincs Fire Safety Forum DETA 1151 smoke alarm, interconnected. Beeping and light confusion! - Smoke Alarms - Safelincs Fire Safety Forum](https://www.safelincs-forum.co.uk/uploads/monthly_2022_02/F2B5C542-3561-4706-92C2-2394F63239D1.jpeg.0c845d4e28fa02dd8fa47025389df585.jpeg)
DETA 1151 smoke alarm, interconnected. Beeping and light confusion! - Smoke Alarms - Safelincs Fire Safety Forum
![I see this in every classroom's ceilings. It has a green blinking light. What is it? : r/whatisthisthing I see this in every classroom's ceilings. It has a green blinking light. What is it? : r/whatisthisthing](https://external-preview.redd.it/CR_Rha7rx0kbA9zQFW81Z54I7vybRlsI7ot-MqhVlGQ.jpg?auto=webp&s=a8c277a43ffef5d70e23a4bbb781b2e630af88cb)
I see this in every classroom's ceilings. It has a green blinking light. What is it? : r/whatisthisthing
My smoke alarm has a steady green light, but every few minutes it flashes red. Is this correct? - Quora
![Flashing red lights fire alarm system on the ceiling in the room building. Smoke detector fire alarm sensor Stock Photo - Alamy Flashing red lights fire alarm system on the ceiling in the room building. Smoke detector fire alarm sensor Stock Photo - Alamy](https://c8.alamy.com/comp/2GGCYD5/flashing-red-lights-fire-alarm-system-on-the-ceiling-in-the-room-building-smoke-detector-fire-alarm-sensor-2GGCYD5.jpg)