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

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Experience dependable, long-term home protection with the USI Smoke Alarm featuring a 10-Year Sealed Battery. Built with Sensing Plus Multi-Criteria Detection, this advanced photoelectric alarm accurately distinguishes between slow-smoldering and fast-flaming fires, providing rapid and reliable alerts when danger is detected.
The sealed 10-year battery ensures continuous operation and eliminates the hassle of frequent battery replacements. When the unit reaches the end of its lifespan, it delivers a single, clear end-of-life alert to indicate replacement is needed. Designed with enhanced false alarm resistance, it minimizes nuisance triggers from routine household activities such as cooking.
The alarm’s tamper-proof design, simple installation, and UL certification make it a trusted choice for residential fire safety. Compact in size, it integrates seamlessly into any home environment without being obtrusive.

• Advanced Detection: Sensing Plus multi-criteria technology identifies both slow-burning and fast-flaming fires

• 10-Year Sealed Battery: Provides continuous protection with no need for replacement batteries

• End-of-Life Alert: Notifies when it’s time to replace the alarm after 10 years of service

• False Alarm Resistance: Designed to minimize nuisance alarms from everyday household activities

• Certified Compliance: Meets UL 217 (9th Edition), FHA, HUD, and NFPA safety requirements

• Easy Installation: Simple, tool-free setup for fast installation

• Tamper-Proof Design: Prevents unauthorized removal

• Protective Dust/Paint Cover: Safeguards the alarm during construction or renovations

• Loud 85 dB Alarm: Clearly audible throughout the home for fast response

• Compact Profile: Space-saving design allows discreet installation in various locations

Specifications