First Alert 3-pack hardwired smoke and CO detector
Three hardwired smoke and carbon monoxide alarms with battery backup. Electrochemical CO sensing plus ionization sensor and 85 dB siren. Easy installation into existing wiring harness; provides constant monitoring during power failure
Highlights
- hardwired with battery backup
- electrochemical CO sensing
- fits existing wiring harness
Pros
- 3-pack for multi-room coverage
- hardwired with battery backup
- electrochemical CO sensing
- ionization sensor for fast-burning fires
- indicator lights show smoke/CO status
Cons
- mixed reviews on battery life
Best For
Features
- Three-pack hardwired smoke and carbon monoxide alarms with battery backup
- Electrochemical CO sensing plus ionization sensor for fast-burning fires
- Face indicator lights show smoke or carbon monoxide presence; 85-decibel siren sounds
- Interconnects with compatible BRK or First Alert detectors so all alarms sound together
- Single test/silence button for simple operation