400-2000 Ppm Range Built-in Temperature Detection Built-in Humidity Detection

For Smart Home Built-in Temperature Detection Digital I2C Communication

Waterproof TDSTestr11 Dual Range 2000ppm 10.00ppt

Compact SCD40 SCD41 Sensor with Integrated Temp Humidity for 400 2000 ppm

400-2000 Ppm Range Built-in Temperature Detection Built-in Humidity Detection

SCD40 SCD41 Carbon Dioxide Sensor with Temp Humidity Detection 400 2000ppm

Water PPM Analyzer Pen Digital 4-in-1 for Home Water Quality Monitoring

Digital PPM Meter for Home Water Safety Checks Including Scale Risk Indication