Universal Security Instruments Plug-In Carbon Monoxide and Natural Gas Alarm
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Rewards: 31 Points

Universal Security Instruments Plug-In Carbon Monoxide and Natural Gas Alarm

Complete Protection From Carbon Monoxide and Natural Gas Leaks, and Nuisance Alarms
  • Single sensor differentiates between actual carbon monoxide and natural gas
  • 9 Volt back-up batteries for emergencies and power outages
  • Silence/Test button, power indicator, battery replacement warning, and loud 85dB alarm
  • Microprocessor Intelligence controls alarm temperature, humidity, and false alarm sensitivity
  • Compact plug-in alarm requires no wiring or complicated installation

Item# 74906 IN STOCK - SHIPS TODAY

$31.14
List Price: $39.99
Your Savings: $8.85
REWARDS:31 points
  • Details
  • Specs
  • Reviews
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  • What's Included
  • The Universal Security Instrument's MCN400B Plug-in Carbon Monoxide and Natural Gas Alarm keeps your home safe from carbon monoxide and natural gas hazards. The 2-in-1 alarm is a compact plug-in alarm system equipped with Microprocessor Intelligence temperature control, humidity control, and false alarm control technology to provide consistent alarm sensitivity and performance without interference from common nuisance alarms caused by non-hazardous sources. The alarm emits a loud audible 85 dB audible alert that can be heard easily and informs you where the danger is coming from within the home. The alarm's nuisance alarm control, temperature control, humidity control, and loud sound offers you value and quality for protecting yourself, your home, and loved ones.



    Features Benefits
    Compact design Covers only one outlet
    Fast & easy installation No wiring required
    Quick activation pull tab Preserves battery life. Pre-installed battery is quickly activated
    End-of-service life warning Alarm signals when it is time for replacement (approximately 7 years from activation)
    Single silence/test button In the unlikely event of a nuisance alarm, the silence feature quiets a non-hazardous alarm
    9 volt battery backup Provides protection in the event of a power outage
    3 LED colors Display status of alarm, power CO and gas


  • Specifications
    Manufacturer Universal Security Instruments
    Manufacturer Product No. MCN400B
    UPC 042741204002
    Dimensions 4.38 inches x 1.55 inches x 2.50 inches
    Weight 0.46 pounds
    Sensor Type Solid state, metal oxide
    Primary Power 120 volt AC 60 Hz
    Battery Backup 9 Volt Energizer Alkaline Battery
    Audible Alarm 85 dB at 10 feet
    Temperature Range 0&degF to 120&degF (-18&degC to 48&degC)
    Humidity Range 10% to 95% RH
    LED 3 LED's: Alarm, Power, CO, Gas & Service
    Manufacturer Warranty 5-year limited warranty
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    • 1x - Plug-In Carbon Monoxide and Natural Gas Alarm
    • 1x - 9 Volt Energizer Alkaline Battery
    • 1x - Mounting Bracket

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