Smoke passes through a ceiling mounted smoke detector causing its activation with flashing red warning light

Name: Smoke Passes Through Ceiling Mounted Smoke
Uploaded: 2010-08-26T00:00:00.000Z
Duration: 21 s
Channel: Seltzer Media
Description: Smoke passes through a ceiling mounted smoke detector causing its activation with flashing red warning light Stock Footage Video (100% Royalty-free) 859702 | Shutterstock