$69.99 After $20 OFF - Kidde Hardwired Smoke & Carbon Monoxide Alarm, 3-pack
Hardwire installation required, with sealed 3V lithium battery backup for 10-year life of the alarm.
Voice Warning - Warns of hazard by announcing "Fire!" or "Warning, Carbon Monoxide."
Intelligent Sensor Technology - Reduces nuisance alarms and offers fast response to real fires.
Test/Hush Button Functions - A single button that tests alarm circuitry and temporarily silences nuisance alarms.
Alerts user when the unit has detected CO concentrations of 100ppm or higher.