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Alarm Type	Smoke Alarm
Power Source	Hardwired
Sensor	Electrochemical, Photoelectric
Interconnects	Yes
Battery Backup	10-year sealed battery backup

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Product Description

USI MI106S: Advanced 10-Year Smoke and Fire Alarm

The USI MI106S is a hardwired alarm with a tamper-proof, 10-year sealed battery backup for maintenance-free operation. This dual-sensor device combines photoelectric and ionization technology, enhancing protection against both fast-flaming and slow-smoldering fires. With nuisance alarm resistance, Smart Alarm Technology, and compliance with UL 217 standards, the MI106S is ideal for residential, commercial, and institutional settings.

Top Features

10-Year Sealed Battery Backup: Provides maintenance-free power, eliminating the need for battery replacements or chirps.
Dual-Sensor Technology: Combines photoelectric and ionization detection for comprehensive fire protection.
Smart Alarm Technology: Reduces nuisance triggers, ensuring more accurate alarm activations.
Tamper-Proof Design: Prevents battery and alarm removal for enhanced security.
Eco-Friendly: Reduces environmental waste and eliminates the disposal of up to twenty 9-volt batteries.

Category	Details
Product Name	USI MI106S
Power Source	Hardwired with 10-Year Sealed Battery Backup
Detection Technology	Photoelectric and Ionization Sensors
Battery Type	10-Year Tamper-Proof Sealed Alkaline Battery
Smart Technology	Smart Alarm Technology for Nuisance Alarm Reduction
Tamper Resistance	Prevents battery removal Deactivation key for safe disposal at end-of-life Lock-out feature prevents reinstalling deactivated alarms
Eco Features	Eliminates up to 20 battery disposals over the life of the alarm
End-of-Life Signal	Sounds 10-Year Product End-of-Service Warning
Operating Conditions	Automatic Humidity & Temperature Compensation
Certifications	CSFM Approved, ETL Listed to UL 217 Standards
Installation	Durable mounting hardware included Larger mounting base covers imperfections Retrofits existing USI or Universal alarms
Warranty	10-Year Limited Warranty

The USI MI106S combines safety, convenience, and cost-saving features with rigorous safety compliance, making it an excellent choice for residential, dormitory, or institutional applications.

Don't know what type of smoke and carbon monoxide alarm is right for your home? Check out our guide on how to choose the right smoke detector for your home.

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In The Box

1 Smoke Alarm
1 Mounting Bracket
1 Dust Cover
1 English Instructions Manual

Info & Guides

User Manual	Download
Specification Sheet	Download
Quick Find Guide	Download

USI MI106S Hardwired Smoke & Fire Alarm