FIRST ALERT 1039868 Smoke and Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical, Photoelectric Sensor [SKU: ORG7771132]

Photoelectric sensor helps reduce nuisance alarms and detect slow smoldering fires, Patented smoke entry system allows for a direct path to smoke sensor, Electrochemical sensor monitors carbon monoxide levels, Sleek, low-profile design, Battery-powered alarm installs easily, Alerts you to danger, Two-in-one protection against smoke, fire and carbon monoxide, Power LED and alarm indicator, The 10 years sealed battery never needs to be changed for the life of the alarm, Tamperproof, sealed alarm design, constant protection since battery cannot be removed. [QTY/UOM: 1CD / 1CD]