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Your cart is empty.Experience the next level of fire safety with the Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, model 30CUAR. 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 2 AA alkaline replaceable backup batteries (included) for continual detection even during outages. Batteries should be replaced every 6 months or when the alarm sounds a low battery chirp. 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.
Keith Phillips
Reviewed in the United States on March 6, 2025
This 2 pack works great. Arrived on time, well packaged, same as in Home Depot and Menard's, but less expensive. by at least 10%. Installation was easy with no problems. I would definitely purchase from Amazon again vs. my local stores.
Heather
Reviewed in the United States on March 17, 2025
Super important that it's hard wired and now I don't have to plug in CO2 detectors also
Shawn
Reviewed in the United States on March 12, 2025
Setup was easy as this replaced a previous kiddie unit ( older model that exceeded lifespan)I too thought they were red at first and tried to do a return lol
MWalters
Reviewed in the United States on February 16, 2025
We bought 2 of these 3 months ago to replace ones that were 10 years old. I am mid 70s, spouse is mid 80s. Son in law installed when he was here for Thanksgiving. Yesterday we got the low battery beep the old one batteries got replaced once a year or less). I spent several hours looking for instructions to change battery. There are none. So I looked at the how to install directions and followed them backwards. From what I am seeing. You can’t open the battery box unless you UNHOOK THE WIRES! Well isn’t that user friendly for un unmechanical female older homeowner! Now I get to call our handyman and pay him to replace a stupid battery! Sooooo - Kidde has lost my recommendation and my business forever.
M
Reviewed in the United States on February 14, 2025
Great produce. The quality is good, very accurate alarms, nice size, durable and loud noise and voice alerts to wake you up and notify you of problems.
Kindle Customer
Reviewed in the United States on February 1, 2025
After finally finding out which smoke alarm was beeping at me like a tiny, relentless banshee, I ordered this as a replacement. It arrived quickly—faster than my patience was wearing thin—and installation was surprisingly easy. I’m no electrician, but even I managed to get it up and running without calling in reinforcements.The LED indicators are a nice touch, giving clear signals instead of the usual cryptic chirps that leave you questioning your life choices at 2 AM. It also syncs with other alarms, which is great for safety but slightly terrifying when testing them—like setting off a mini fire drill in your own home.Pros:✔ Quick and easy installation✔ Clear LED warning lights (no more mystery beeping!)✔ Interconnects with other alarms for full-home protection✔ Meets updated safety standardsCons:✖ The alarm sound is intense (which is the point, but still… it will wake the dead)✖ No option to silence minor false alarms quickly—toast lovers, bewareOverall, it’s a solid upgrade that does its job well. If only it could also detect which alarm is beeping before I lose my sanity next time!
Golden-gator
Reviewed in the United States on January 6, 2025
You gotta replace your alarms after 7 years or they may not work so here I go. Bought these babies to replace the same brand. Easy switch out, sleep well again.
J. Hankerson
Reviewed in the United States on January 18, 2025
Previous home owners installed cheap smoke detectors in the kitchen area which would constantly trigger when I was cooking. Swapped over to these and no more false alarms. They're very loud and have different tones for fire and CO. Easy to rewire and mount and was even able to add to home assistant with an external module
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