First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector
- Keep your family safe with this battery-operated smoke and carbon monoxide alarm; built-in 10-year battery means continuous power for the life of the alarm
- Features electrochemical carbon monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
- A loud 85-decibel alarm sounds when carbon monoxide, and smoke levels begin to rise
- Features a sleek, low-profile design to blend more fully into the wall and out of sight
- 10-Year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for your safety
- Rigorously tested to meet UL standards
- 10-Year limited warranty
- End of life signal alerts you when alarm needs to be replaced
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