Feature:1. Multipurpose, the sensor can sense atmospheric pressure in many ways.2. Supports high test accuracy, atmospheric pressure sensor can be more convenient for your use.3. Small size atmospheric pressure sensor keeps clearly marked each interface for convenient and simple installation.4. Made of synthetic cardboard material in high quality, atmospheric sensor keeps high reliability and excellent longterm stability.5. And scope of work includes 3001100 hPa pressure.Specification:Item Type: Atmospheric pressure sensorModel: GY-BMP280-3.3Material: Synthetic cardboardInterface: I2C (up to 3.4MHz), serial peripheral interface (up to 10 MHz)Scope of Work:Pressure: 300-1100 hPaResolution:Pressure: 0.18PaAccuracy:Pressure: + 1Pa.Package List:4 x Sensor4 x Pin Header