First Alert SCO403 Alarm Combination Pack
Click Image for Gallery
- Includes battery-operated carbon monoxide alarm and battery-operated smoke alarm
- Modern, compact CO detector design with no installation required, electrochemical sensor
- Smoke alarm uses ionization smoke sensing technology
- Simple to use silence/test button, low battery warning, end-of-life timer, 85 decibel alarm
- Two 9V batteries included, 5-year limited warranty