4 pack photoelectric smoke and carbon monoxide detector
Combo smoke and carbon monoxide detector with 10-year lithium battery. Detects smoldering fires quickly and provides 24/7 monitoring; customers praise easy installation and long battery life
Highlights
- 10-year power source
- dual sensors (smoke + CO)
- end-of-life alert
Pros
- 10-year built-in lithium battery
- combo smoke and CO sensing
- easy installation
- sensitive to smoldering fire smoke
- end-of-life signal for safety
Cons
- mixed functionality feedback from customers
Best For
Features
- Combo detector with electrochemical CO sensing and photoelectric smoke sensor for smoldering fires
- 10-year battery-powered operation with built-in lithium battery for continuous monitoring
- End-of-life signal indicates replacement timing and continued safety
- Self-test button verifies operation and resets CO alarm
- Loud 85-decibel alarm activates as CO or smoke levels rise
