Universal Security Instruments USI/SM/REP 9-Volt Battery Operated Smoke Detector with Photoelectric Sensor

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About This Product

Experience reliable and comprehensive protection with the USI Battery Smoke Alarm. Featuring Sensing Plus Multi-Criteria Detection, this advanced photoelectric alarm precisely detects both slow-smoldering and fast-flaming fires for early warning and rapid response. The compact unit includes a replaceable 9-volt battery, providing continuous safety even during power outages. Its smart detection technology minimizes nuisance alarms from everyday activities such as cooking, while the test/silence button allows for quick and easy alarm control when needed. With UL certification and backed by over 50 years of expertise in home safety, USI delivers trusted, long-lasting protection to keep your family and home safe.

Highlights

• Sensing Plus Multi-Criteria Detection identifies both slow-burning and fast-flaming fires with precision 

• Replaceable 9V battery ensures continuous operation, even during power loss 

• Compact, discreet design fits easily in any room or hallway 

• Enhanced false alarm resistance minimizes unnecessary alerts and disruptions 

• Meets top safety standards, including UL 217 9th Edition, FHA, HUD, and NFPA requirements 

• Easy installation for quick, hassle-free setup 

• Tamper-proof construction prevents unauthorized removal 

• Protective dust/paint cover shields the alarm during construction or renovations 

• 85-decibel alarm delivers a loud, clear alert for rapid response and household awareness

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