First Alert 1039868 Photoelectric Smoke and Carbon Monoxide Combo Alarm with 10-Year Battery

Photoelectric Smoke and Carbon Monoxide Combo Alarm with 10-Year Battery
• Low-profile, smoke and carbon monoxide alarm helps protect dwellings with 2-in-1 detection of smoke/fire and carbon monoxide;• Loud 85 dB alarm; mute button silences unnecessary alarms and also tests alarm's function;• Slim, easy-to-install design is half as thick as standard alarms; mounts unobtrusively on the ceiling or wall;• Built-in, 10-year Li-Ion battery offers continuous power for the life of the alarm; battery never needs to be replaced; end of life warning notifies when it's time to replace the detector;• Photoelectric sensor detects slow, smoldering fires while helping to reduce nuisance alarms; distinguishes between real threats and smoke/vapor produced by showering, cooking, etc.;• Electrochemical sensor monitors carbon monoxide levels produced by fuel-burning appliances, blocked chimneys, and vehicles left running in garage;• UL(R) 217 listed; meets code for sealed/tamperproof alarms; ideal for homes and rental properties;• 10-year limited warranty;• Includes mounting bracket;