5:28

HUGE 📦 Fire alarm unboxing 🔥

7:57

System test 20!

12:25

Fire-Lite MRP-2001 System Test 3: Gentex System

2:53

System test 15/Bell test.

7:23

Simplex 4004R System Test 1

4:46

System test 13.

10:02

System test 19!

3:03

System test 11 # Bell test/LOUD!