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1. Kidde

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Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

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Kidde #ad - Note: this co alarm is not battery operated. However, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage.

Power source: 120vac. Test button functions – Tests the unit for proper operation and resets the carbon monoxide alarm. Peak level button – displays the peak CO level recorded by the alarm since it was last reset or unplugged. Humidity range-5%-95% relative humidity RH. Led operation – blinking dot in lower right corner of display denotes normal operation. Ten years after the initial power up, this alarm will “beep” two times every 30 seconds to indicate that it is time to replace the alarm. Temperature range-40˚f 4. 4˚c to 100˚f 37. 8˚c.
BrandKidde #ad
ManufacturerKidde #ad
Height1.75 Inches
Length6.06 Inches
Weight3 Pounds
Width3.75 Inches
Part Number900-0076
Model900-0076-01
Warranty10 Year Limited

2. Kidde

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Kidde KN-COSM-IBA Hardwire Combination Smoke Carbon Monoxide Detector Battery Backup Voice Warning Interconnectable

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Kidde #ad - Flashes once every 16 seconds to indicate smoke or CO previously detected. If the unit malfunctions, the red LED will flash and the unit will chirp every 30 seconds. Battery safeguard ensures the unit cannot be accidentally mounted without batteries. 120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA.

Peak level memory-announces “carbon monoxide previously detected” if alarm has detected a co level of 100ppm or higher since it was last reset, HushTM Feature-Silences nuisance alarms for approximately 9 minutes. Flashes once per second during alarm to indicate initiating alarm. Battery lockout system-the battery door will not close unless the batteries are properly installed, Alarm Tamper Resist-Helps deter from tampering and theft, Adjustable Mounting Bracket-Makes installation fast and easy.

Smoke must be present before HushTM is activated. Humidity range: 10%-95% relative humidity, non-condensing. Flashes every 2 seconds while the alarm is in HUSHTM mode. Front loading battery Door-Replace the backup batteries without disconnecting from mounting bracket. Test-reset button tests alarm circuitry and triggers the voice announcement. Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models.
BrandKidde #ad
ManufacturerKidde #ad
Height6 Inches
Length2 Inches
Weight1 Pounds
Width6 Inches
Part Number21026041
Model9000114A
Warranty10 Year Limited

3. Kidde

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Kidde Carbon Monoxide Alarm Detector | Digital Display | Battery Operated | Model KN-COPP-B-LPM

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Kidde #ad - Led's - green led for normal operation, red led for alarm. Battery operated - provides best protection during power outages. 4˚c to 100˚f 37. Peak level memory displays the highest CO concentration measured since the last reset.

Battery safeguard makes it difficult to close the cover without batteries in the unit. Updates digital reading every 15 seconds allowing you to see if levels change. Slide-out battery door cover gives immediate access to batteries. Sensor: Electrochemical. Shows co level in PPM parts per million. 8˚c. Provides peace of mind against the silent killer and a digital display.

Tests co alarm circuit operation and allows you to immediately silence the alarm. Temperature range 40˚F 4. Digital display - displays the level of carbon monoxide the unit is sensing. Test/reset button - tests unit’s electronic circuitry & horn and resets the unit during alarm. Low battery signal alerts user when the batteries need to be replaced.
BrandKidde #ad
ManufacturerKidde #ad
Height2.75 Inches
Length4.5 Inches
Weight0.01 Pounds
Width1.5 Inches
Part Number21008873
ModelKN-COPP-B-LPM
Warranty10 Year Limited

4. Kidde

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Kidde AC Carbon Monoxide Detector Alarm | Plug-In with Battery Backup | Model KN-COP-DP2

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Kidde #ad - Tamper resist feature – can be activated to cause unit to go into alarm if it has been unplugged or has come loose from the outlet. Two led’s: red - illuminates when in alarm mode. Test/reset button: tests CO alarm circuit operation and allows you to immediately silence the alarm. Green – ac power is present, normal operation. Provides peace of mind against the silent killer; Temperature range: 40˚F 4. 4˚c to 100˚f 37. 8˚c. End of life alarm: alerts user to replace CO alarm after 10-years of operation.
BrandKidde #ad
ManufacturerKidde #ad
Height4.5 Inches
Length2.75 Inches
Weight0.04 Pounds
Width1.5 Inches
Part Number900-0263
ModelKN-COB-DP2

5. Kidde

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Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3

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Kidde #ad - Three convenient mounting options. Battery backup 9 volt battery included. Digital display - Displays the level of carbon monoxide the unit is sensing. Peak level memory - Recalls the highest CO concentration detected.

Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset. Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories UL, an independent facility that tests products for compliance with widely-accepted safety standards. Protects you and your family from two deadly threats: Carbon monoxide and explosive gas.

Test/reset button - tests unit’s electronic circuitry operation and allows you to immediately silence the alarm. Sounder alarm – the kn-coeg-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem. Two alarms in one detects carbon monoxide and explosive gas.
BrandKidde #ad
ManufacturerKidde #ad
Height11 Inches
Length2 Inches
Weight1 Pounds
Width8 Inches
Part NumberKI-21006677
ModelModel KN-COEG-3
Warranty5 Year Limited

6. FIRST ALERT

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First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN

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FIRST ALERT #ad - Low battery signal mute, quiets low battery signal for up to 8 hours. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure. Battery operated unit installs quickly and easily without an electrician. Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection.

It can ship within the US except New York. 7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5 Inches
Length2 Inches
Weight0.6 Pounds
Width5 Inches
Part NumberSCO5CN
ModelSCO5CN
Warranty-------

7. ALERT PRO

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Carbon Monoxide Alarm Detector,with Digital LCD Display and Voice Warning, Battery powered

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ALERT PRO #ad - Superior alarm performance: proven performance for sensitively detecting dangerous Carbon Monoxide CO leaks; powerful 85 dB alarm tone will sound through your home and instantly alert those in danger. 5 year manufacturer warranty. 100% customer satisfaction guaranteed. If you dont like it will take it back no quations ask. Unit comes With with Batteries.
BrandALERT PRO #ad
ManufacturerALERT PRO #ad
Part NumberAP-6987

8. Kidde

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Kidde 21026043 Battery-OperatedNot Hardwired Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA

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Kidde #ad - The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED. Alarm announces “fire” when a smoke or fire hazard is detected and announces “Warning Carbon Monoxide” when a CO hazard is detected.

Note: the date printed on the item is manufacturing date, not the expiration date. Temperature range: 40˚F 4. Humidity range: 10 percent to 95 percent relative humidity non-condensing. Flashing green for normal operation and flashing red for alarm condition. 8˚c. Reduces installation time and helps to keep home décor attractive. Audio alarm: 85 db at 10 feet. Test/reset button and leds – tests alarm circuitry and triggers the voice announcement. Voice announcements - hush feature temporarily silences nuisance alarms with “hush mode activated” and “hush mode cancelled” voice announcement.

Voltage volts: 4. The battery door will not close unless the batteries are properly installed. Refer to the pDF attached below in technical specification for manual. If the alarm had detected a co level of 100ppm or higher, the unit will announce “Carbon Monoxide Previously Detected” to warn of the CO incident, when the Test/ Reset button is pressed.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height5.6 Inches
Length1.8 Inches
Weight1 Pounds
Width5.6 Inches
Part Number21026043
Model21026043
Warranty5-year limited warranty

9. FIRST ALERT

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White, Pack of 1, First Alert CO400 Carbon Monoxide Detector

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FIRST ALERT #ad - Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. The alarm sequence should last 5-6 seconds. A loud 85 decibel alarm sounds when CO levels reach dangerous levels.

If it does not alarm, and test it again. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.

If the unit still does not alarm, make sure fresh batteries are correctly installed, replace it immediately. All first alert cO alarms are rigorously tested to meet UL standards. 7-year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height3 Inches
Length5 Inches
Weight0.45 Pounds
Width1 Inches
Part NumberCO400
ModelCO400FF
Warranty5 Year Warranty