Kidde 21010408-N AC Wire-in Combination Smoke & Carbon Monoxide (CO) Alarm Sealed Lithium Battery Backup, Model i12010SCO
- Sealed 3V Lithium Battery Backup- 10-year tamper proof battery eliminates need for battery replacement. Alerts user to replace alarm after 10 years of operation
- 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
- Two LED Displays - Red LED indicates alarm mode, Green LED indicates AC power is present
- Peak Level Memory- alerts user when the unit has detected CO concentrations of 100ppm or higher