Tlily - ENS160+AHT21 carbon Dioxide CO2 ECO2 tvoc Air Quality and Temperature Humidity Sensor Replace CCS811

Usage: Gas Sensor Model Number: ENS160+AHT21 Type: Gas Sensor Output: Digital Sensor color: blue Material: PC+metal Package Contents: 1 x Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.