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USI Product and Service - 10/21/2021
Reviewer: James D
Typical quality product from USI, with a good selection of options and ease of installation. I continue to purchase from Universal because of their excellent customer service, very prompt order fulfillment and shipping.
USI Electric Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN108)

Smoke alarms from USI electric - 10/19/2021
Reviewer: John C
I had 6 smoke alarms in my house that were 14 years old and they all connect with each other. I had one that did not quit chirping once I put a new battery in it. I did online research and found out if the alarms are too old you would have to replace them. After more research, and worrying about finding new alarms that would be compatible with my existing alarm base, I found USI Electric. They had a new alarm that would hook up with my old bases perfectly. Changed all the alarms in about 15 minutes! Very satisfied!!!
Universal Security Instruments Ionization 120-Volt AC/DC Wired-In Smoke and Fire Alarm with Battery Backup (USI-1204HA)

Smoke, fire and CO - 10/18/2021
Reviewer: Jennifer W
Hasn't been needed yet but install went well.
Universal Security Instruments Sensing Plus Multi Criteria Hallway Smoke, Fire & Carbon Monoxide Alarm With 10 Year Tamper Proof Sealed Battery (AMICH3511SC)

CO and CH4 - 10/18/2021
Reviewer: Jennifer W
Hasn't been needed yet but install went well.
Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCND401B)

10/18/2021
Reviewer: Curtis N
Arrived quickly and was very easy to install.
Universal Security Instruments Ionization 120-Volt AC/DC Wired-In Smoke and Fire Alarm with Battery Backup (USI-1204HA)