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Model # KN-COPE-I

Internet # 203270945

Store SKU # 340292

120-Volt Hardwired Inter Connectable Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup (3-Pack)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$129.00 /each




Model # KN-COPE-I

Internet # 203270945

Store SKU # 340292

Store SO SKU # 198092

The Kidde front loading smoke and carbon monoxide alarm offers protection from two hazards - fire and carbon monoxide in one unit. This AC wire -in alarm has battery back up that will provide you and your family with protection during short term power outages. Manufactured with photoelectric sensors for detecting smoke and fire, this alarm also includes the world most accurate carbon monoxide sensing technology; based on claims by major manufacturers.

California residents: see  Proposition 65 information

  • Emits a loud beeping tone followed by a voice warning that clearly announces the danger, fire or warning carbon monoxide and voice feature also alerts you if hush or cancel is activated
  • Smart touch button - one button performs multiple functions; activates hush, test units electronics, activates peak level memory, resets the unit during a carbon monoxide alarm, silences a low battery chirp for up to 12 hours and silences the end of life chirp for two days
  • Tamper resistant - unit will lock to mounting bracket and battery door will lock to deter theft or tampering
  • Front loading battery door provides access to the battery chamber - allowing you to change the battery without removing the unit from the mounting bracket
  • Unit is inter connectable with up to 24 other devices of which 18 can be initiating including smoke, carbon monoxide and heat alarms
  • Alarm has two methods of warning for danger; a piezoelectric horn that is rated at 85 dB at 10 ft. and a voice warning that identifies the danger

Info & Guides

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Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Alarm Sensor Type 
Alarm Type 
Carbon Monoxide,Smoke 
Alarm/Detector Features 
Battery Back-Up,Hush Feature,Interconnected,Value Pack,Voice Alert 
Commercial / Residential 
Commercial / Residential 
Connector/Contact Type 
Power Source 
Voltage (volts) 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 


Rated 4.4 out of 5 by 155 reviewers.
Rated 5.0 out of 5.0 by This product was the solution I needed! I added on to my house and had to bring all the smoke detectors up to current code. That meant installing wire, boxes, and new detectors. Where I live I needed interconnected detectors. I was replacing dual (ion/photo) battery operated alarms which I had installed several years ago and was happy to find these that included photoelectric, carbon monoxide, voice alert, and battery backup. Single units with all those features can be expensive when installing several at once - so finding a 3-pack that saved me about 1/3 on cost helped a lot (I didn't have to settle for a lesser product). Installation of the detectors was a breaze and they've been working great. Thanks Home Depot! March 1, 2013
Rated 5.0 out of 5.0 by Great features for a great price! I was so annoyed with the contractor grade smoke detectors that were installed when the house was built, I took them all down. There were so many false alarms at 2:30AM, I couldn't take it anymore. I saw these ones which were a little more expensive and gave them a try. I love the voice features! It is nice to know what I'm suppose to be running from if I'm scared out of sleep at 3:00AM. All I had to do was un-nut the pig-tails from the old system, and wire the included pig-tails with this system. Everything works like a champ. I have a fully connected, AC system with battery backups. It was so easy, I'm going to buy more and put them where the other smoke detectors use to be. The only negative were the directions. They were small and not great, but matching colors of electrical wire isn't hard. June 14, 2013
Rated 4.0 out of 5.0 by good product Good product replaced our old kidde alarms with these we did have to wire the new plug because they changed the design but it was easy to do. Also installed three kidde ion alarms with these April 27, 2013
Rated 5.0 out of 5.0 by Good value, in the bulk pack These are a very good value when purchased in the bulk pack. Install is very straight-forward. Will interconnect with Kidde brand ones also. Customers like the voice feature. September 13, 2015
Rated 5.0 out of 5.0 by good purchase easily installed, works well with other system, priced well September 15, 2015
Rated 5.0 out of 5.0 by Perfect solution Before I could sell my home i needed to update my old detectors to meet the new fire inspection code. These meet all requirements, easily fit old connectors and housings and are a great price in the three pack. Perfect solution! August 25, 2015
Rated 5.0 out of 5.0 by funny system I bought a new home and wanted to update the fire system I went with firex carbon monoxide plus fire detection every time I unplug an old one and plugged in the new one they would talk to each other and all go off to make sure they were working amazing and funny July 21, 2015
Rated 5.0 out of 5.0 by Easiest install The voice alerts are great, especially knowing the difference between carbon monoxide and fire. When one of them is set off, all of the others are set off too. I installed three in 20 minutes. November 8, 2012
  • 2015-10-02T14:04:56.307-05:00
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