Seeedstudio Grove - Air Quality Sensor V1.3 / Low Power Consumption/High Sensitivity/Tiny Outline/Responsive To A Wide Scope Of Target Gases/Cost Efficient/Durable/Compatible With 5V And 3.3V

This sensor is designed for indoor air quality testing. The main gases detected are carbon monoxide, alcohol, acetone, thinner, formaldehyde and other slightly toxic gases. It cannot identify specific gasses or provide highly accurate concentrations, but it does provide a simple way to detect general levels and activate a ventilation system or trigger an alarm.