The Kidde plug-in CO detector with real-time digital display and battery backup. Always watching — even when the power goes out.
Check Today's Price on AmazonYou can't sense it. You can't outrun it. And if your old detector has expired — or you don't have one at all — your family has zero warning.
No guessing. No hoping your old detector still works. The digital readout catches dangerous trends before they reach alarm levels.
The included 9-volt battery backup kicks in automatically — exactly when CO risk spikes from generators and gas heaters.
The digital display catches low-level CO exposure before it reaches alarm thresholds. One buyer tested it in a garage — it detected 15 PPM in under 60 seconds.
No wiring. No tools. No holes in the wall. Comes with battery pre-installed — take it out of the box, plug it into any standard outlet, done.
"I know people who've lost their home to fire. Not fun. I know people, like myself, a CO detector got us outta the house… Thank goodness the two times it was for real we were safe. Though at that time we didn't have a level readout. That's what makes this gem such a peace."
"My husband took the unit to the garage, drove our car in, turned off the engine and shut the door. He waited a minute or less and the unit detected a small amount of CO (15ppm). At least we now know it really does work."
"This seems to be a great product as it is my second order as I replace in the various levels of our townhouse. I like the fact that they plug into wall sockets but also have a battery backup if the power goes out."
"The digital LED display clearly shows CO levels, which is helpful for peace of mind. We just plugged it in and it was ready to use. We feel confident that our family has chosen a great carbon monoxide detector."
This is a straightforward plug-in CO detector — not a smart-home device. No Wi-Fi, no app, no fancy integrations. Here's who might want to look elsewhere:
Some buyers have reported shipping issues — missing battery covers or cosmetic damage from transit. Kidde replaces defective units, and we recommend testing yours immediately after installation (just press the test button).
The alarm is loud — 85 decibels. That's intentional. It needs to wake you from a dead sleep during a life-threatening emergency. Loud is the point.
CO sensors degrade silently after 7–10 years. No warning light. No beep. Just a device on your wall that can no longer protect your family.