ITEM NAME:1Pc 3in1 GY-BME280-5V digital sensor barometric pressure sensor module Au SJ%a Specifications: Supply Voltage: 1.8 - 5V DC Interface: I2C (up to 3.4MHz), SPI (up to 10 MHz) Operational Range: Temperature: -40 to +85 °C Humidity: 0-100% Pressure: 300-1100 hPa Resolution: Temperature: 0.01 °C Humidity: 0.008% Pressure: 0.18Pa Accuracy: Temperature: +-1 °C Humidity: +-3% Pressure: +-1Pa I2C address SDO LOW :0x76 SDO HIGH:0x77 Package included:1X BME280 Module.Interface: I2C (up to 3.4MHz), SPI (up to 10 MHz). Pressure: 300-1100 hPa. Pressure: 0.18Pa. Pressure: +-1Pa. Temperature: -40 to +85 °C. Temperature: 0.01 °C. Temperature: +-1 °C.