Long-Lasting Battery Life - Stop wasting time and money on constant and inconvenient battery replacements. The PMH smoke and carbon monoxide detectors have a built-in battery that can last up to 10 years.
Avoid False Alarms - With the self-test button of our 2-in-1 fire detector and carbon monoxide detector, you can quickly check if it's working properly. Meanwhile, the hush function lets you silence false alarms.
Meets ETL Standards - PMH smoke alarm and carbon monoxide detector is carefully designed in line with strict industry standards in manufacturing. It meets ETL standards for safety in North America.
Invest in Your Peace of Mind - Feel safe and comfortable in your own home. Equip your household with the PMH smoke alarm system which effectively detects both smoke and carbon monoxide gas.

Protect My Home Smoke and Carbon Monoxide Detector Combo - 10-Year Built-in Battery.