Airthings 292 Wave Mini Smart Indoor Air Quality Tester/Monitor with Mold-Risk Indication, Battery Operated

Airthings Wave Mini is small in size but huge in terms of impact. The Wave Mini tracks airborne chemicals, humidity, temperature, and mould risk so you can visualize the air quality from room to room. Once you understand the state of the air in your home, you can make small changes to your everyday habits to optimize its quality.