This product features the AHT20 and BMP280 digital temperature, humidity, and air pressure sensors. It provides I2C main output, supporting simultaneous online access to multiple I2C electronic devices or modules. Operates on a DC voltage range of 2.8V to 5V, offering advantages such as wide voltage compatibility, low power consumption, simple circuit design, and accurate temperature measurement. Compatible with a 4-pin Grove test cable for quick and convenient connection. Designed with a stable transmission speed, fast voltage adaptation, and reliable performance. Product Name: Temperature Humidity Air Pressure Module Material: PCB Working Voltage: DC 2.0–5V Dimensions: 15mm x 15mm Color: Purple Package Contents: 1 x Temperature and Humidity Air Pressure Module 1 x Pin Header Note: The package includes only the items listed above. Other products are not included. Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1–3cm.