This product consists of new AHT20 and BPM280 digital temperature and humidity sensors. I2C main output, supporting simultaneous online access to multiple I2C electronic devices or modules of 2.8V-5V can be used, which has the advantages of easy voltage adaptation, low power consumption, simple circuit and accurate temperature measuring point Connect with 4PGROVE Test cable, which is convenient for users to use quickly Simple circuit Accurate temperature measurement point Stable transmission speed, fast voltage adaptation, low power consumption and easy to understand The transmission speed is stable and fast Name:Temperature Humidity Air Pressure Module Material:PCB Working Voltage: DC2.0-5V Size:15mm x 15mm Colour:purple Package Contents: 1 x Temperature And Humidity Air Pressure Module 1 x Pin Header 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.