smoke and carbon monoxide detector

The Best Smoke & Carbon Monoxide Alarms meets ETL UL217 and UL 2034 standard certification. Dual senses (10 Years) to detect two kinds of threatening. Combine two functions in one device to reduce the cost.  There are three models for you to choose from. The Worry-free Smoke carbon monoxide alarm is powered by 10 years of battery life. Long-term safe protection for your family battery.

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