Universal Security Instruments USI/SMCO/HW10YR/P Hardwired and 10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alert and LED Warning Light

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About This Product

Experience reliable, all-in-one home protection with the USI Hardwired Combo Smoke, Fire, and Carbon Monoxide Alarm with 10-Year Battery Backup. Featuring Sensing Plus Multi-Criteria Detection, this advanced photoelectric alarm quickly identifies both slow-smoldering and fast-flaming fires for accurate and early detection.

An integrated electrochemical sensor provides precise carbon monoxide monitoring, combining multiple safety features into a single, compact device. This hardwired alarm can interconnect with other compatible alarms throughout your home for comprehensive protection.

The 10-year sealed backup battery ensures uninterrupted operation during power outages and eliminates the need for frequent battery changes. A clear voice alert system announces fire, carbon monoxide, and maintenance notifications, while advanced nuisance alarm resistance helps minimize false triggers.

Built with a tamper-proof design and UL certification, this alarm delivers dependable, long-lasting safety performance trusted by homeowners and professionals alike.

Highlights

• Advanced Detection: Sensing Plus technology identifies both slow-burning and fast-flaming fires 
• Interconnected System: When one alarm sounds, all compatible alarms activate for full-home coverage 
• Voice Alerts: Announces the type of emergency or maintenance needed for clear, real-time guidance 
• 10-Year Battery Backup: Provides continuous protection and removes low-battery chirps 
• End-of-Life Notification: Alerts you when it’s time to replace the unit after 10 years 
• False Alarm Resistance: Designed to reduce nuisance alarms from everyday activities such as cooking 
• Compliance: Meets UL 217 (9th Edition), UL 2034 (4th Edition), FHA, HUD, and NFPA standards 
• Easy Installation: Simple hardwired setup with included components 
• Tamper-Proof Design: Prevents unauthorized removal 
• Protective Dust/Paint Cover: Shields the alarm during construction or renovation work 
• Audible Alert: 85-decibel alarm easily heard throughout the home for fast response

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