What Are the Specifications of the USI Combo Smoke and Carbon Monoxide Alarm?
The USI Combo Smoke and Carbon Monoxide Alarm offers advanced protection by combining two critical safety devices into one streamlined unit. It continuously monitors for both smoke and carbon monoxide threats and alerts you using clear voice messages, LED indicators, and a loud 85dB pulsing alarm. Powered by replaceable AA batteries, this device is perfect for households looking for peace of mind without hardwiring.
Key Areas Covered:
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Model Number: USI/SMCO/REP
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Product Overview
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Specifications
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Features & Benefits
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Installation Requirements
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FAQs
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Usage & Tips
Specifications:
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Power Source: Battery (2x AA 1.5V - replaceable)
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Operating Temperature: 40°F to 100°F
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Humidity Operating Range: 10%–95% RH (non-condensing)
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Dimensions: 6.1 in x 1.6 in
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Weight: 11.2 ± 0.35 oz
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Voltage: 3VDC
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Sensor Type: Multi-criteria optical smoke sensor, electrochemical CO sensor
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Sound Output: 85dB at 10 feet
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Mount Type: Ceiling or wall
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Rated Life: 10 years after manufacture
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Safety Rating: Conforms to UL217 & UL2034
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Warranty: 10 years from date of purchase
Features & Benefits:
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Voice alerts specify the type of hazard: “Fire!” or “Warning! Carbon Monoxide”
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Silence features for smoke (8 mins) and CO (5 mins)
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LED indicators for power, alarm, and fault modes
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Alarm memory with voice summary of past alerts
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Simple battery replacement and weekly test functionality
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Loud 85dB pulsing siren for maximum alerting
Installation Requirements:
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Requires 2x AA 1.5V batteries (included)
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Install on ceiling or wall, 12” from the corner, and away from obstructions
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Avoid kitchens, bathrooms, HVAC vents, and high-humidity or dusty areas
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Follow local codes and NFPA 72 standards
FAQs:
Q: Can
this device detect gases other than carbon monoxide?
A: No,
it only detects carbon monoxide from combustion sources.
Q: Does
the device continue working during a power outage?
A: Yes,
it operates entirely on replaceable batteries.
Q: How
do I know if the battery is low?
A: A
yellow LED flashes and voice alert says “Low Battery.”
Q: What
is the lifespan of the device?
A: 10
years from the manufacturing date.
Usage & Tips:
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Test the unit weekly using the TEST/SILENCE button
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Replace the batteries at least once a year
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Clean monthly with a soft brush attachment—never use liquids
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Do not paint or obstruct the alarm
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Familiarize all household members with the sound and actions to take