This is a battery-operated digital display carbon monoxide (CO) detector.
It uses an electrochemical sensor for highly accurate and stable readings of CO levels.
The integrated LCD digital display shows CO concentrations in parts per million (PPM).
When a dangerous level of CO is detected, it triggers a loud audible alarm (over 85 decibels) and a flashing red LED light.
The device is suitable for use in homes, kitchens, bedrooms, RVs, and cars