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Alarm Type	Smoke, Carbon Monoxide & Gas
Power Source	Hardwired
Sensor	Photoelectric, Ionization & Electrochemical
Interconnects	Yes
Battery	10 Year

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The USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm provides continuous protection against three deadly threats within the home. Newly Universal Smoke Sensing Technology offers the benefits of both photoelectric and ionization alarms in one device to protect against fast-flaming and slow-smoldering fires. This alarm also features protection against the silent killer - carbon monoxide - making it a 3-in-1 device. The ideal addition for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room. This also utilizes a sealed back-up battery (which is included) and also comes with a ten-year limited warranty.

Features:

3-in-1 Smart Alarm provides continuous, reliable protection. Provides temperature and humidity compensation
Smart Alarm Technology provides peace of mind with this alarm — Fast-and-easy installation suitable for houses, apartments, dormitories, and more
Features microprocessor intelligence to virtually eliminate nuisance alarms
Eco-friendly design reduces environmental wastes and eliminates the disposal of excess batteries
Comes with a ten-year limited warranty

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USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery