Features 1、Multi‑purpose, 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 long‑term stability. 5、And scope of work includes 300‑1100 hPa pressure. Specification Item Type: Atmospheric pressure sensor Model: GY-BMP280-3.3 Material: Synthetic cardboard Interface: I2C (up to 3.4MHz), serial peripheral interface (up to 10 MHz) Scope of Work: Pressure: 300-1100 hPa Resolution: Pressure: 0.18Pa Accuracy: Pressure: + 1Pa Package List 4 x Sensor 4 x Pin Header