These 3 Fire Alarms All Look the Same… But They're Not! | Simplex 4903s + Unboxing!

What's known as the Simplex 4903 series of commercial fire alarms is one of the most iconic series of alarms to collect, as they were constantly updated in the 1990s. This series includes horns, strobes, speakers, different combinations/styles, and more. Today, we're unboxing a new device that is a part of this series! Thank you for watching! :) Devices seen in this video: Simplex 4903-9219 Mechanical Horn/Strobe Simplex 4901-9805 Mechanical Horn Simplex 4901-9822 Electronic Horn Simplex 4904-9137 Vertical Strobe Simplex 4904-9139 Horizontal Store Simplex 4902-9703 Speaker (NEW!) Strobe Candela Stickers: Green - 15 Candela Blue - 30 Candela Orange - 110 Candela Timecodes 00:00 - Video Start 00:36 - The Simplex 4903 Series 01:26 - Simplex 4903s in my Collection 03:59 - New Simplex Alarm Unboxing/Test 05:47 - Thank You for Watching!!! :) Follow S.E.R. Safety on TikTok: https://www.tiktok.com/@s.e.r._safety... Follow S.E.R. Safety on Instagram: https://www.instagram.com/s.e.r._safe... (@s.e.r._safety) & https://www.instagram.com/ser_safety_... This is my other channel, subscribe to see some wild wilderness adventures:    / @outdooradventureswithgrant   X:   / ser_safety   (@SER_Safety) #firealarm #simplex #collection #unboxing