11:29

Fire Alarm Test 120 | Old Simplex 4903s

15:10

Fire Alarm Test 133 | Huge Mix of Signals

16:28

Fire Alarm Test #115 | Older Gamewell

10:13

Setting off Rare Simplex 4903-9104 Fire Alarms

3:32

Fire Alarm Test 118 | Crappy Retrofit

3:58

Firelite MS-5012 system test 6: LOUD 🔊

5:03

Testing Fire Alarms in the Fire Station

19:19

Setting Off Both Fire Alarm Systems At The Same Time | Garage & House