Universal Security Instruments USI/SM/10YR/MINI/3 (3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor

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About This Product

Experience reliable fire safety with the USI Smoke Alarm featuring a 10-Year Sealed Battery and advanced Sensing Plus Multi-Criteria Detection. This compact, photoelectric alarm quickly identifies both slow-smoldering and fast-flaming fires, helping ensure rapid response in emergencies. Designed for convenience, it eliminates the need for frequent battery changes and replaces annoying low-battery chirps with a single end-of-life alert after 10 years.

With enhanced resistance to false alarms from everyday activities like cooking and a built-in test/silence button, this alarm delivers both safety and peace of mind. Trusted by safety professionals and backed by over 50 years of expertise, USI offers dependable protection for your home and family.

Highlights

• Detects both slow-smoldering and fast-flaming fires with Sensing Plus Multi-Criteria technology 

• 10-year sealed battery provides uninterrupted power without replacements 

• End-of-life alert signals when it’s time to replace the unit 

• Reduces false alarms caused by routine household activities 

• Complies with key safety standards, including UL 217 9th Edition, FHA, HUD, and NFPA 

• Easy to install with a user-friendly setup 

• Tamper-proof design helps prevent unauthorized removal 

• Includes dust and paint cover to protect the unit during construction or remodeling 

• Loud 85-decibel alarm ensures alerts are heard clearly, even during sleep 

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