Kidde Worry Free 10-Year Lithium Ion Battery Operated CO Alarm with Digital Display-21009720 at The Home Depot
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Kidde Worry Free 10-Year Lithium Ion Battery Operated CO Alarm with Digital Display

Kidde Worry Free 10-Year Lithium Ion Battery Operated CO Alarm with Digital Display

Model # 21009720

Internet # 203728677

Store SKU # 151533

Store SO SKU # 198092

$49.97 / each

Aisle11 Bay007

PRODUCT SOLD :  Online & In Store
Item cannot be shipped to the following state(s): AK,GU,HI,PR,VI


Kidde 10 year Worry Free Carbon Monoxide Alarm will provide you and your family with a loud warning signal against the dangers of elevated carbon monoxide levels in your home. This alarm features a digital read-out that will provide you and your family “at a glance” real-time readings of carbon monoxide levels in your home. No more waking in the middle of the night to the dreaded midnight chirp when you install this Worry Free alarm that is powered by a ten year sealed long-life lithium battery. With this alarm monitoring your home for carbon monoxide you and your family are protected from the dangers of the silent killer, even during power outages.

  • Kidde 10 year carbon monoxide alarm is maintenance-free; never replace a battery during the alarm's operating life, in addition to the benefit of maintenance free, batteries are sealed, no need to worry about them being removed
  • Features an end-of-life signal that alerts you when it is time to replace the alarm; signal chirps every 30-45 seconds when alarm needs replaced
  • Money savings, no batteries to buy and replace every six months, save up to $40.00 over the life of the alarm
  • Alarm is equipped with test – reset button, tests the circuitry and horn and resets memory after alarm has sounded
  • Alarm is UL listed and is equipped with a piezoelectric horn that is rated at 85 decibels at 10 feet and electrochemical sensor that last 40% longer than other carbon monoxide alarms.

Info & Guides

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Alarm Type  Carbon Monoxide  Alarm/Detector Features  10-Year Battery,Digital display,Tamper Resistant 
Assembled Depth (in.)  1.5 in  Assembled Height (in.)  2.75 in 
Assembled Width (in.)  4.5 in  Battery Back-Up  No 
Certifications and Listings  1-UL Listed  Commercial / Residential  Commercial / Residential 
Connector/Contact Type  None  Electrical Product Type  Carbon Monoxide Detector 
Included  Battery (-ies)  Returnable  90-Day 
Voltage (volts) 



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Please allow 3 to 5 business days for Standard Shipping in addition to order processing time, which varies by product.  Items deliver by small parcel service.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.