Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up
Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up
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Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up

|2 ratings

Key item features

  • Sensing Plus Multi-Criteria Detection accurately identifies both slow-burning and fast-flaming fires
  • Interconnected Alarms- Provides comprehensive coverage throughout your home
  • Replaceable Back-up Battery- Ensures continuous protection even during power outages
  • Superior False Alarm Resistance- Reduces nuisance alarms, minimizing disruptions
Current price is $27.97
Price when purchased online
  • Free 90-day returns
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Showing 1-1 of 1 review

Feb 4, 2026
Lynn
Top Reviewer
5 out of 5 stars review

Verified Purchase

Small

It fits right where my old one was. It has very easy instructions to put it in. The alarm is very loud so it would wake up the whole house

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