Kidde Ultra-Sensitive Carbon Monoxide Detector for Pets, Health, or Medical Conditions, Battery Powered with Digital Display, UNIT
- Electrochemical sensor will detect low levels of CO (below 30 PPM) for family members or pets, specifically those who have medical condition…
- CO alarm will sound at 85 decibels if carbon monoxide is present - easy installation includes a wall mount or table top placement
- Protects during a power failure - operates on 3-AA batteries, included with pack
- Digital display features an advanced level of monitoring showing CO levels as low as 10 PPM
- 10 Year end of life warning alerts user to replace CO monitor after 10 years of operation
Mubboo Value Score: 3.7/10
How it stacks up
Rated 4.3/5 — better than 17% of 53 Carbon Monoxide Detectors we track. Premium-tier pricing at $77.98.
Head-to-Head vs Category Leader
| Kidde | Kidde (Leader) | |
|---|---|---|
| Price | $77.98 | $79.97 |
| Rating | 4.3/5 | 5.0/5 |
| Reviews | 157 | 17 |
| Mubboo Score | 3.7/10 | 4.0/10 |
The Kidde Ultra-Sensitive Carbon Monoxide Detector is 2% cheaper but rated lower (4.3 vs 5).
Quick Specs
- Alarm
- Audible
- Color
- White
- Style
- Digital
- Unit Count
- 1.0 Count
- Item Weight
- 8 ounces
- Sensor Type
- Electrochemical
- Manufacturer
- Kidde
- Model Number
- 21009942
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Choose a model with a digital display if you want to see real-time CO levels. Note that the low-battery chirp can be mistaken for a smoke detector, so test early; also remember these need replacement after 10 years.
Rating reliability
About Kidde
- 155 products in our database
- Average rating: 4.6/5 across all products
- Price range: $12.87 – $381.75
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
Other Carbon Monoxide Detectors
Frequently Asked Questions
Is the Kidde Kidde Ultra-Sensitive Carbon Monoxide Detector for Pets, Health, worth buying in 2026?
It earns a Mubboo Score of 3.7/10, with a 4.3/5 rating from 157 reviews — better than 17% of Carbon Monoxide Detectors we track.
How much does the Kidde Kidde Ultra-Sensitive Carbon Monoxide De cost?
It is currently $77.98 — premium-tier pricing for Carbon Monoxide Detectors.
How does it compare to the top-rated Carbon Monoxide Detectors?
The Kidde Ultra-Sensitive Carbon Monoxide Detector is 2% cheaper but rated lower (4.3 vs 5).
Sources & References
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