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Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators, 30CUA10

  • Based on 613 reviews
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Availability: In Stock.
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Arrives Saturday, Sep 6
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Features

  • 2-IN-1 DETECTION: Alerts you to both smoke and carbon monoxide (CO) using a single detector.
  • HARDWIRED and 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years and saves up to 40 Dollar over the life of the detector.
  • ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, and FCC standards.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
  • SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
  • 3 LED NOTIFICATIONS: LED lights indicate alarm status, green - normal operation, amber - operating error, red - smoke or carbon monoxide detected and a loud 85-decibel alarm will sound.
  • TEST and HUSH BUTTON: Makes it easy to test the 5-inch combination detector and silence false alarms, should they occur.
  • 10-YEAR WARRANTY: Begins when alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced. (10-yr limited warranty on alarm, not a battery performance claim.)

Description

Experience the next level of fire safety with the Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators, model 30CUA10. This smoke & CO detector has enhanced sensing technology that reduces false alarms often caused by cooking and sends fast alerts that help give your family more time to get out safely. To detect carbon monoxide, an electrochemical sensor is used. This alarm offers a modern 5-inch design ideal for all living spaces such as living rooms, hallways, kitchens, & bedrooms. Comprehensively tested and designed to the latest UL standard for safety and reliability, the 5-inch smoke & CO alarm is powered by 120V AC wiring with a 10-year built-in lithium battery, so you never have to change a battery for the life of the detector (not a battery performance claim). In addition, it’s self-testing and easy to install with the included twist-and-click mounting bracket. This Kidde combination alarm is equipped with end-of-life notifications that will beep to remind you it’s time to replace it at the of its 10-year lifespan. Meets requirements of 9th Edition UL 217, UL 2034 4th Edition, FCC, and CSFM.

Brand: Kidde


Style: Detector


Power Source: Hardwired


Color: White


Product Dimensions: 1.88"D x 5"W x 5"H


Item Weight: 0.65 Pounds


Alarm: Smoke and Carbon Monoxide Detector


Operating Humidity: 10 to 95% relative humidity (RH), non-condensing


Upper Temperature Rating: 100 Degrees Fahrenheit


Sensor Type: Photoelectric, Electrochemical


Brand: ‎Kidde


Style: ‎Detector


Power Source: ‎Hardwired


Color: ‎White


Product Dimensions: ‎1.88"D x 5"W x 5"H


Item Weight: ‎0.65 Pounds


Alarm: ‎Smoke and Carbon Monoxide Detector


Operating Humidity: ‎10 to 95% relative humidity (RH), non-condensing


Upper Temperature Rating: ‎100 Degrees Fahrenheit


Sensor Type: ‎Photoelectric, Electrochemical


Material: ‎Plastic


Number of Items: ‎1


Manufacturer: ‎Kidde


UPC: ‎047871328536


Part Number: ‎21032853


Item Weight: ‎10.4 ounces


Item model number: ‎30CUA10


Size: ‎5 Inch


Shape: ‎Circular


Item Package Quantity: ‎1


Included Components: ‎Alarm, Mounting Hardware, User Guide


Batteries Included?: ‎Yes


Batteries Required?: ‎Yes


Battery Cell Type: ‎Lithium Ion


Date First Available: April 29, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Easy replacement
Style: Detector
Purchased to replace smoke detectors in our house. I didn't realize they weren't working until we had a lot of smoke from cooking. It scared my that they didn't go off. They work great and I made sure to put the installed date one each one, using a sharpie marker. It was very easy to install.
Reviewed in the United States on June 9, 2025 by Patricia

  • Easy installation and gives peace of mind
Style: Detector
Installation was quick and simple—just swapped it out with our old unit, and it connected perfectly. The voice alerts are a nice touch, and it's great having both smoke and carbon monoxide detection in one device. Feels solid and reliable. Highly recommend!
Reviewed in the United States on June 10, 2025 by Giselle M.

  • Quality product
Style: Detector
I'm impressed with the quality and look of this detector. It is well designed, easy to install and with a nice slim look. The instructions are really thorough and explain in detail where to place the unit for optimal operation and specific places to avoid. I like that it sets your expectations about conditions or locations where it might not operate properly. So, put it in the right place! Other than trusting that it will actually work when I need it at least the tests and impressions are positive. ... show more
Reviewed in the United States on May 15, 2025 by Felipe

  • Connectors not compatible with previous KIDDE alarms.
Style: Detector
The connectors are different from the ones I had before, even though they are both KIDDE brand. I hired the job done for me as the ceilings are 25' high in places. Was worth the $30/each price for what he had to go through to install. Also of note, the one nearest the toaster went off yesterday, even though these are supposed to be less sensitive to that. The alarm is placed 20 feet above the toaster and 10 feet away from it horizontally. Yes, a bit of the toast was burnt -- a tiny little sliver of it. ... show more
Reviewed in the United States on May 27, 2025 by urkiddingme?

  • Work Perfectly
Style: Detector
These work perfectly. For me, needed to change out the plug-in cord but that was easy.
Reviewed in the United States on June 9, 2025 by John F. Kelly

  • Will Trigger Fault Mode Without Warning
Style: Detector
They randomly fault out. I've replaced a couple of them, and after ~3-6 months, they start randomly doing the 3-chirp fault sequence. I've cleaned it multiple times after each fault, and it'll keep beeping. I doubt that every other unit I have that is NOT this combo unit is perfectly fine, but only these have fault issues. Either the carbon monoxide detector is flaky and will trigger a fault with the slightest dust particle, or this is just a bad design all around. Not to mention if you have anything even remotely older than 2024, you'll need to redo your mounting plates as well as the wiring coupler that used to be on every unit under the sun. They've intentionally swapped the connector to a different style/entry position to force you to either rewire or buy their adapter kit. Very disappointing to say the least. ... show more
Reviewed in the United States on May 31, 2025 by Animenutcase

  • Easy to switch out.
Style: Detector
Easy to switch out both the mounting plates and the pigtails. After that it’s plug and play. Testing was easy.
Reviewed in the United States on May 26, 2025 by James P. Pistilli

  • Good product
Style: Detector
Seems to work well, looks decent, easy replacement. Longevity is unknown at this point, but happy with it so far.
Reviewed in the United States on May 9, 2025 by David Klosterman

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