5-pack upgraded dual-sensor smoke and carbon monoxide alarm
Dual-sensor alarm detects smoke and CO with a 10-year sensor life. LCD displays battery level and CO in PPM for real-time monitoring. Customers note easy installation and good value, with some noise issues over time
Highlights
- dual sensor detection
- long sensor life
- real-time CO readout on LCD
Pros
- dual smoke and carbon monoxide detection
- 10-year sensor lifespan
- lcd display for battery and CO levels
- easy to install
- includes batteries
Cons
- possible crackling noises after one year
- mixed functionality reports from some units
Best For
Features
- Dual sensors combine photoelectric and electrochemical detection for smoke and CO
- Up to 10-year sensor lifespan compared to 3-year sensors on some models
- LCD displays battery level and real-time CO in PPM with status indicators
- Blue light indicates elevated CO, red light alerts on detection with dense gas vents
- Battery-operated, uses 3x1.5V AA batteries and included mounting bracket
