First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm

First Alert

Carbon monoxide & dual ionization smoke sensor
Separate visual and audible smoke and carbon monoxide indication to eliminate confusion
Intelligent Sensing Technology for fewer nuisance alarms
Smart 3-wire interconnect
Quick-Connect wiring harness for connection to AC power
85dB horn and 9V battery backup
2 silence features: Can silence the low battery chirp for up to 8 hours or temporarily silence an unwanted alarm
Interconnectable with up to 18 devices
10-year limited warranty