Seeed Studio Grove Multi-channel Gas Sensor v2

Features

• Four fully independent sensor elements on one package.
• The ability to detect a variety of gases, besides Carbon monoxide (CO), Nitrogen dioxide (NO2), Ethyl alcohol(C2H5CH), Volatile Organic Compounds (VOC), etc.
• Qualitative detecting, rather than quantitative.
• Compact size for easy deployment.

Included

• 1 x Multichannel gas sensor board
• 1 x Grove cable