USI MIC3510SB 10-Year 3-in-1 Smoke, Fire & CO Alarm – Permanent Power

Safety for your family starts with reliable, low-maintenance protection. The USI MIC3510SB 3-in-1 Smart Alarm combines smoke, fire, and carbon monoxide sensing in one compact device, designed to guard your living spaces with long-lasting performance.

Powered by a 10-year permanent power alkaline battery system, this model minimizes maintenance and eliminates the common low-battery chirp. The alkaline design also supports safer disposal and a more eco-friendly profile relative to some lithium-based options.

• 10-year continuous protection against fast flaming fires, slow smoldering fires, and carbon monoxide
• 10 Year Permanent Power with alkaline batteries for safer disposal and less maintenance
• Microprocessor intelligence to virtually eliminate nuisance alarms
• Fast and easy to install, with no wiring required
• Patented Quick Find Alarm Origination helps locate the first alarm that sounded

Smart sensing technology for comprehensive home safety

New patented Universal Smoke Sensing Technology blends photoelectric and ionization sensing in one device. This provides broad fire detection capability without needing multiple units, supporting varied home layouts and activities.

Placement guidance for optimal coverage

For maximum protection, install one alarm inside every bedroom, outside sleeping areas, and on all levels of the dwelling. The 10-year power ensures continued operation even during power outages.

Practical and environmental notes

Alkaline power reduces environmental impact compared with some lithium designs, and the maintenance-free design minimizes routine checks so you can focus on home safety.

Universal Security Instruments brings decades of experience to family safety, combining heritage with ongoing product innovation to help families stay protected.