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Features
UPC
Brand
MPN
Smoke Sensor
Audio Alarm
Power Source
Interconnects
Warranty
Sensor lifespan
Display
Test/silence button
Features
Visual indicators
 
  • image
    Pros: plugs into any standard outlet, can operate on battery backup, extremely loud horn, seven-year limited warranty
    Cons: cO level is not continuously displayed, flimsy battery cover
    not avail.
     
    029054000712
    First Alert
    CO615
    N/A
    85-decibel horn
    120V AC with 2 AA battery backup (included)
    No
    7-year limited
    5 to 7 years
    Shows CO level, battery level and peak CO level
    Yes
    Front access battery compartment, repeats alarm 4 minutes after mute, low battery alert, end-of-life alert (unit needs replacing), power cord for placement further from the outlet
    Green LED for normal operation, flashing red LED for alarm or low battery
     
  • image
    Pros: easy to install, placement flexibility, runs on two AA batteries, loud horn
    Cons: battery door easily damaged, no CO level display
     
    029054000699
    First Alert
    CO-400
    No
    85-decibel horn
    2 AA batteries
    No
    5-year limited
    5 years
    N/A
    Yes
    Front access battery compartment, repeats alarm 4 minutes after mute, low battery alert, end-of-life alert (unit needs replacing)
    Light blinks every minute for normal operation; flashing red LED for alarm or low battery
     
  • image
    Pros: voice warning alarm, loud, runs on three AA batteries
    Cons: no CO level display, sensitive to cooking smoke, rear-access battery compartment
    not avail.
     
    251221511138
    Kidde
    KN-COSM-B
    Yes
    85-decibel horn
    3 AA batteries
    No
    5-year limited
    7 years
    N/A
    Yes
    Voice verbal warnings for fire, carbon monoxide and low battery; Test/Reset/Hush button, peak CO level memory
    Flashing green for normal operation, flashing red for alarm condition
     

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