ADT Unimode 10-UD System Test 3: Requested devices

In my system test series, I test/show different fire alarm devices while showing how a fire alarm system works. Enjoy the video! Follow me on twitter:   / ser_safety   instagram: https://www.instagram.com/s.e.r._safe... Check out my eBay account! Here, I sometimes sell alarms seen in my videos: https://www.ebay.com/usr/ser_safety_s... Grant (2nd Channel):    / @outdooradventureswithgrant   Thanks! :D ©S.E.R. Safety™ 2017 Do not copy any content on this channel without permission. All videos, pictures, and content on this channel is automatically protected by copyright laws when uploaded. . ________________ 12/29/2020 UPDATE Get fire alarms for hobby usage: Want to support this channel and build a fire alarm collection? Check out sersafety.com