0:18
Please enable Javscript
Smoke detector fire alarm
0:35
Please enable Javscript
Smoke detector fire alarm
0:35
Please enable Javscript
Smoke detector fire alarm
0:21
Please enable Javscript
Smoke detector fire alarm
0:18
Please enable Javscript
Smoke detector fire alarm
0:35
Please enable Javscript
Smoke detector fire alarm
0:30
Please enable Javscript
Smoke alarm detector, fire, loop
0:30
Please enable Javscript
Smoke alarm detector, fire, loop
0:01
Please enable Javscript
Metal detector switch turn off.
0:01
Please enable Javscript
Metal detector beep. Multiple. Short fast.