First Alert CO400-3 3-Pack Battery CO Detector vs Kidde CO detector with battery power, LEDs, test/reset
Overall winner: Kidde CO detector with battery power, LEDs, test/reset
Key Differences
Kidde (A) is a single, portable AA-battery CO detector with an LED display and is listed at a lower price tier and praised for portability and a digital CO level display. First Alert (B) is a 3-pack battery CO detector that highlights an advanced electrochemical sensor but has reported battery life and longevity concerns despite a larger pack and slightly lower aggregate rating
First Alert CO400-3 3-Pack Battery CO Detector
3-pack battery-operated carbon monoxide alarms with a loud 85-decibel alarm and electrochemical sensor. Easy installation and continuous CO monitoring even during power failures; some users note battery life concerns
Pros
- battery-powered for continuous monitoring
- easy to install
- electrochemical CO sensor
- 85-decibel alarm for dangerous levels
Cons
- battery life varies with use
- some reports of limited longevity
Kidde CO detector with battery power, LEDs, test/reset
Portable carbon monoxide detector with battery power and LED indicators. Easy installation with no wiring, includes 2-AA batteries and a test-reset function; customers note reliable, quick setup and continuous readings
Pros
- easy installation
- no wiring required
- battery powered during outages
- LED indicators for power
Cons
- requires 2 AA batteries
- may rely on battery life for operation
- no wired power option
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Kidde |
| Durability | First Alert |
| Versatility | Kidde |
| User Reviews | Kidde |