การดู
0:14
What do smoke alarms sound like?
0:12
Smoke Detector Chirp
12:00:38
12 HOURS of Relaxing Fireplace Sounds - Burning Fireplace & Crackling Fire Sounds (NO MUSIC)
0:18
Fire alarm bell ringing
1:25
Pre-Action Fire Protection System: Elevator Technical Room
0:11
Very loud very old fire alarm horn
10:00:06
Ten hours of silence occasionally broken by smoke alarm chirp
0:13
Campus Fire Alarm Speakers
