What Are the Specifications of the 3-in-1 Smoke, Fire & Carbon Monoxide Alarm?
This 3-in-1 Smoke, Fire, and Carbon Monoxide Alarm is built to safeguard your home with advanced multi-criteria detection. Equipped with a tamper-proof, 10-year sealed battery and cutting-edge Universal® Sensing Plus® Technology, it ensures quick detection of both fast-flaming and slow-smoldering fires—without the nuisance of false alarms. It also monitors for carbon monoxide, offering around-the-clock protection even during power outages.
Key Areas Covered:
Model Number: USI/SMCO/10YR/V
Product Overview
Specifications
Features & Benefits
Installation Requirements
FAQs
Usage & Tips
Specifications:
Power Source: 10-Year Lithium-Free Sealed Battery (Non-replaceable)
Operating Temperature: 40°F – 100°F (4.4°C – 37.8°C)
Humidity Range: Up to 95% RH (non-condensing)
Dimensions: 6.1" diameter x 1.6" depth
Weight: 11.2 oz ± 0.35 oz
Voltage: Battery-powered (no wiring required)
Audible Alarm: 85 dB at 10 ft, 3.0-3.5 kHz, with voice alerts
Warranty: 10 years (from date of purchase)
Rated Life: 10 years
Alarm Sensitivity:
Smoke Sensor: Multi-criteria optical
CO Sensor: Electrochemical
Safety Rating: UL217 8th Edition, UL2034 4th Edition
Features & Benefits:
3-in-1 Protection: Detects smoke, fire, and carbon monoxide.
Smart Alarm Technology: Reduces false alarms from everyday smoke and steam.
Permanent Power: No low battery chirps, ever.
Duracell® Duralock Power Preserve™ Battery: Sealed-in alkaline power for enhanced safety.
Advanced Sensor Technology: Optimized for both smoldering and fast-flaming fires.
Tamper-Proof Design: The Battery and alarm cannot be disabled or reused after deactivation.
Quick Find® Feature: Easily identify which alarm was triggered.
Installation Requirements:
Mount on ceilings or walls only.
Do not install in garages, kitchens, crawl spaces, or near high humidity.
Keep at least 20 feet away from combustion appliances, such as furnaces or stoves.
Follow local building code recommendations or NFPA 72 guidelines.
FAQs:
Q: Does this alarm require battery changes?
A: No. It features a 10-year sealed battery that lasts the life of the unit.
Q: What type of fires can this detect?
A: It uses multi-criteria sensors to detect both fast-flaming and slow-smoldering fires.
Q: Can this alarm detect natural gas leaks?
A: No. It is designed specifically to detect smoke and carbon monoxide.
Q: What happens when the battery dies?
A: The alarm emits a specific end-of-life chirp and must be replaced entirely.
Usage & Tips:
Test weekly using the built-in test button.
Install alarms on every level of your home, including inside and outside bedrooms.
Avoid painting or spraying near the alarm to prevent interference with the sensor.
- Clean monthly with a soft brush attachment.
- Practice a home escape plan with your family.
Deactivation is permanent; replace the unit at the end of its life.