What Are the Specifications of the 3-in-1 Smoke, Fire & Carbon Monoxide Alarm?
This 3-in-1 smart alarm provides seamless protection from smoke, fire, and carbon monoxide in one streamlined unit. It’s designed for homes that prioritize safety and reliability without the hassle of changing batteries. With Universal® Sensing Plus® technology, this alarm rapidly detects both fast-flaming and slow-smoldering fires while helping reduce false alarms. A 10-year sealed battery means you’ll never hear low-battery chirps again.
Key Areas Covered:
Model Number: USI/SMCO/10YR
Product Overview: A single-unit solution for fire and CO detection with sealed power and smart sensing.
Specifications
Features & Benefits
Installation Requirements
FAQs
Usage & Tips
Specifications:
Power Source: 10-Year Sealed Lithium-Free Battery
Operating Temperature: 40°F – 100°F (4.4°C – 37.8°C)
Humidity Range: Up to 95% RH (non-condensing)
Safety Rating: Conforms to UL 217 8th Edition and UL 2034 4th Edition
Warranty: 10 years (from date of purchase)
Rated Life: 10 years
Mount Type: Wall or Ceiling
Sound Output: 85 dB at 10 feet
Features & Benefits:
3-in-1 Smart Alarm: Combines smoke, fire, and carbon monoxide detection in one device
Universal® Sensing Plus® Technology: Detects both fast and slow-burning fires with high accuracy
Smart Alarm Feature: Virtually eliminates nuisance alarms caused by cooking smoke or steam
10-Year Battery: No replacements needed, ever. Sealed battery with Duracell® Duralock Power Preserve™
False Alarm Resistance: Meets new UL217 standards for polyurethane foam and false alarm immunity
Quick Find® Feature: Helps identify which alarm triggered first after an incident
Installation Requirements:
Mount to ceiling or wall using provided screws and anchors
Avoid kitchens, garages, and bathrooms (due to potential for false alarms)
Must be installed at least 12 inches from ceiling intersections if mounted on a wall
Do not install near vents, fans, or windows where airflow may obstruct detection
FAQs:
Q: Can I change the battery?
A: No. This model includes a sealed battery that lasts 10 years and is not replaceable.
Q: Does this detect natural gas?
A: No. It only detects smoke and carbon monoxide.
Q: What does the Quick Find® feature do?
A: It helps identify which alarm triggered an event when interconnected units stop sounding.
Usage & Tips:
Test weekly using the Test/Silence button
Clean annually with a dry cloth. Avoid sprays or chemicals.
Install one on each floor, including outside sleeping areas.
Do not paint or cover the alarm, this blocks sensing vents.
Label emergency contacts on included stickers and post near alarm.