If you need both smoke and CO alarms, especially for a bedroom, the First Alert SCO501CN-3ST is a practical and cost-effective choice. It's completely battery powered and will wirelessly connect to other compatible First Alert smoke, CO or combination alarms to alert you to danger in any part of your home.
- Easy to install
- Voice alert
- Good built in CO detector
- Effective in detecting smoldering fires
- Not as effective in detecting blazing fires