Barometric Pressure Sensor I2C SPI Interface Temperature Altitude Low Noise BMP390 Sensor for GPS Wearable Device Drone Item Type: Barometric Pressure Sensor Material: Printed Circuit Board Operating Voltage: 5V/3.3V Communication Interface: I2C/SPI Average Working Current: 3.2μA(1Hz) Pressure Detection Range: 300 to 1250hPa Air Pressure Absolute Accuracy: ±0.50hPa(P=300... 1100hPa T=0...65℃) Pressure Relative Accuracy: ±0.03hPa (P=700... 1100hPa T=25… 40℃) Temperature Drift Coefficient: ±0.6Pa/K (25℃... 40℃ At 900hPa) Temperature Absolute Accuracy: ±1.5℃ (0...65℃) Supported Resolution: 0.016Pa (High Accuracy Mode) Sampling Rate: 200Hz Operating Temperature: Minus 40 to 85℃ Product Size: Approx. 32 x 20mm / 1.3 x 0.8in ( Manual Measurement, Slight Error May Exist ) Hole Diameter: Approx. 2.0mm / 0.08in ( Manual Measurement, Slight Error May Exist )