KEHIPI 2PCS SGP30 Air Measurement Gas Sensor TVOC/eCO2 Air Quality Carbon Dioxide Detector to Replace CCS811 Carbon Dioxide CO2 VOCs Air Quality.

I2C communication, power supply compatible with 2v-5v. To replace the ccs811 The Gy-SGP30 TVOC / eco2 gas sensor module measures air quality. Made of high-quality metal materials, wear-resistant and anti-corrosion, more stable performance and longer service life. you will get 2pcs GY- SGP30 Air Quality Gas Sensor TVOC ECO2 Carbon Dioxide Measurement Formaldehyde Module