Model # KN COSM BA

Internet #100004653

Kidde Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert

Kidde

Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert

  • Easy installation
  • Voice alert announces the hazard type detected
  • Carbon Monoxide and Smoke Alarm combination
$26.31 /each

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Product Overview

The Kidde KN COSM BA Combination Carbon Monoxide and Smoke Alarm provide two important safety devices in a single unit. This alarm includes a voice warning system that announces "Fire, Carbon Monoxide, Low Battery and Smart Hush Activation". The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement.

  • Alarm uses ionization sensing technology
  • Voice alarm announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected
  • Easy to install alarm that is suitable for all areas of the home and has a 7 year limited warranty
  • Combined carbon monoxide and smoke alarm - single unit can be installed where previously, two were needed
  • Low battery warning - the unit warns of a low battery condition by announcing "low battery"
  • Hush feature - temporarily silences nuisance alarms
  • Battery Included
  • Note: product may vary by store
  • Click here for more information on Electronic Recycling Programs

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Customer Questions & Answers

34 Questions41 Answers

Customer Questions & Answers

Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert
Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert

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3 answers

can i use any brand aa batteries with co/smoke alarm by kidde?

This question is from Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert
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lincolnton nc
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August 13, 2014
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Asked by
Hatboro, PA
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January 13, 2015
Answer: 
I have used different brands of batteries with no problem
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Long Island, N.Y.
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Home Improvement Profile: DIYer
November 4, 2014
Answer: 
Yes, you can use any brand but, they should be ALKALINE; otherwise you'll be replacing them too often !
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August 13, 2014
Answer: 
Hello. This is from the owner's manual. I think this will answer your question: Battery Replacement:: Replace batteries with one of the following approved brands: Duracell MN1500, MX1500, Energizer E91, Gold Peak 15A or Golden Power GLR6A . These batteries can be purchased at your local retailer. WARNING! Use only the batteries specified. Use of different batteries may have a detrimental effect on the Read More
Hello. This is from the owner's manual. I think this will answer your question: Battery Replacement:: Replace batteries with one of the following approved brands: Duracell MN1500, MX1500, Energizer E91, Gold Peak 15A or Golden Power GLR6A . These batteries can be purchased at your local retailer. WARNING! Use only the batteries specified. Use of different batteries may have a detrimental effect on the Smoke/CO alarm. :: So we do not recommend using a battery not listed in the owner's manual. Thank you. Read Less
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2 answers

How does this attach to the ceiling? Screws? Velcro?

This question is from Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert
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June 27, 2016
Need to know today (27 June) if possible! Thanks!
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June 28, 2016
Answer: 
Hello DL. This alarm attaches with one large drywall screw or 3 small screws with anchors. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
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June 28, 2016
Answer: 
This is attached with screws.
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2 answers

when does the green light stay on

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January 23, 2016
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February 9, 2016
Answer: 
The green light means that the unit is getting power and working.
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January 25, 2016
Answer: 
Hello Funny, This alarm does not have a solid green light. A solid green light is an indication that the alarm is receiving AC power when in standby mode. This alarm will not have a solid green light as it is battery only. On this unit, standby mode is a single green flash every 60 seconds. Please call Product Support at 1-800-880-6788 if you have any additional questions. Thank you.
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2 answers

Will the Kidde KN-COSM-BA fit on the KN-COSM-IB base? I have two of the IB models that need replacing.

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January 19, 2016
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January 29, 2016
Answer: 
Yes, the base is the same for both models.
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January 21, 2016
Answer: 
Hello GW, The KN-COSM-BA will fit the same base, however, it is a battery only device. The direct replacement for the KN-COSM-IB is the KN-COSM-IBA . It will fit the same bracket, but also the same wiring harness. Good question, Thank you.
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Customer Reviews

Battery Operated Combination Smoke and Carbon Monoxide Alarm with Voice Alert is rated 4.5 out of 5 by 157.
Rated 5 out of 5 by from Mounted per instructions, test button response per instructions. The one in my kitchen did go off... Mounted per instructions, test button response per instructions. The one in my kitchen did go off when I burnt some food. Of course, I'll never know how well this works until it actually saves my life. And if it doesn't work, I won't be in a position to give a bad review.
Date published: 2016-11-08
Rated 5 out of 5 by from excellent fire and carbon monoxide talking alarm This excellent fire and carbon monoxide talking alarm is easy to install and batteries last more than a year, it is a must to have if you care about fire or carbon monoxide inside your dwelling. Two years ago after a city inspection recommendation, I installed two in my unit and now installing 3 more in other units.
Date published: 2016-09-20
Rated 3 out of 5 by from Time will tell We had the previous version of this detector at our old house. It lasted about 7 years before it started going through batteries every few weeks (not sure how it could happen). One bad thing about the old version was when the battery would get low, sometimes it would say warning, warning, carbon monoxide. So then you start freaking out, but we have another carbon monoxide detector, so we could always double check it. I wouldn't have bought this one again, except it's a good price for a smoke detector and carbon monoxide in one. I didn't feel like spending an arm and a leg, and it does work if there's ever smoke, so hopefully the new version will just beep when the battery is low, and not give us a false alarm.
Date published: 2016-09-06
Rated 4 out of 5 by from Here she is, just hanging there looking pretty and blinking at me with her beautiful red LED ever... Here she is, just hanging there looking pretty and blinking at me with her beautiful red LED every 60 seconds to let me know that she's checking for smoke and CO... she's mesmerizing, and has provided hours of entertainment so far! And if you ever get lonely and bored, just push her test button for some extra excitement as she will speak to you/beep at you. Though, I must say, she's not much of a conversationalist, as she just repeats the same rather monotone phrases ("Warning, smoke detected"; "Warning, carbon monoxide detected") over and over with beeps in between. I think she's hard of hearing because she speaks/beeps loudly and doesn't respond to verbal input. I'm going to have to deduct her one point due to the lack meaningful conversation; oh, and due to the fact that her sensor has only about a 7-year life, thus requiring periodic replacement. I'd prefer a longer term relationship. She is, however, relatively low maintenance and low cost with just periodic battery replacement (2 AA) which is a characteristic I like that in a lady. She replaces my previous Kidde smoke & CO detector, which conveniently let me know she needed replaced in the middle of the night with incessant beeping (she will also let you know in the middle of the night when her batteries need replaced). I'd prefer more traditional "honey-do list" left for me on the frig or the kitchen counter in the morning, but seeing as she doesn't have hands, I'd settle for a note sent via e-mail or text. I do like the fact that this newer model has access to battery compartment from the front of the unit; no need to remove it from the wall.
Date published: 2016-12-11
Rated 1 out of 5 by from Would not buy again I would not recommend this product. In the last 45 days it has twice chirped incessantly- and asking, yes asking in a ceeepy human voice,for new batteries. The first was completely acceptable (even at 3am). But after fresh new batteries,less than 45 days later it it went off again asking for new batteries. I would not think that there would be that much draw on the batteries, as its hardwired to the electrical. Furthermore, and most importantly within those 45 days I had an oven fire. The house was completely full of thick black smoke. The fire department came to my rescue. But this battery-eater never went off once.
Date published: 2016-11-21
Rated 1 out of 5 by from It's nice until it completely dies after a year with no warranty This seems to be a nice product when functioning. However, recently it started malfunctioning by just beeping very loudly non-stop, for no reason. Even on fresh batteries. On the plus side, the alarm is VERY loud. Another cheap Chinese (HKG) product, Kidde has a history of recalled items and has no warranty on anything they sell it seems. Not worth it.
Date published: 2016-08-25
Rated 5 out of 5 by from received on schedule, test works, installed on same screws as old unit of different brand that wa... received on schedule, test works, installed on same screws as old unit of different brand that was at least 15 years old and I wanted one that would not be subject to age limits. No CO sources in house, total electric but installed near garage door in case something leaks from there.
Date published: 2016-10-25
Rated 5 out of 5 by from Easy Install Needed several new detectors installed at a home being sold. These were inexpensive, easy to install and satisfied the inspector. I prefer to install separate units, one for smoke up high on wall or ceiling and the carbon monoxide lower on the wall.
Date published: 2016-09-13
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