1、Support I2C Interface: I2C environmental sensor supports I2C interface correspondence and can set the slave address. 2、Support SPI Interface: SPI environmental sensor supports SPI interface correspondence, default is I2C interface, can be set to SPI through I/O port. 3、Applications: I2C SPI environmental sensor can detect atmospheric pressure, ambient temperature, and relative humidity. 4、High Accuracy: Environmental sensor has on board level conversion circuit, which is compatible with 3.3V/5V working level and high accuracy measurement. 5、PCB Material: Environmental sensor is made of PCB material, which will not deform for a long time and ensure the stability for a long time. Item Type: Environmental Sensor Material: PCB Detectable: Atmospheric Pressure, Ambient Temperature, Relative Humidity CorrespondenceInterface: I2C and SPI Temperature Measurement Range: -40 to 85℃ Temperature Measurement Accuracy: ±1.0℃ (0-65℃) Humidity Measurement Range: 0-100%RH Humidity Measurement Accuracy: ±3%RH Barometric Pressure Measurement Range: 300-1100 hPa Barometric Measurement Accuracy: ±1hPa Size: Approx. 1 x 27 x 20mm / 0.04 x 1.1 x 0.8in 1 x Environmental Sensor 1 x Connection Cable