First Alert® Combination Smoke & Carbon Monoxide Detector

Item# 158756

Works During Power Outages

- Electrochemical CO sensor provides the most accurate technology for detecting carbon monoxide
- Silence button quiets nuisance alarms
- 10-year smoke and/or CO sensors
- Combo alarm adds photoelectric smoke sensor technology – detects large particles produced by smoldering fires
- Tamper-resistant design locks alarm to mounting bracket, preventing removal of battery or alarm