ITEM NAME:ESP8266 Weather Station Kit with Temperature Humidity Atmosphetic Pressure SEAU.The device uses sensors DHT11, BMP180,BH1750FVI to collect temperature, humidity, Atmosphetic Pressure and light data. high-precision, small size, ultra-low power 3ÃŽ ¼A pressure sensor.Its performance excellence, the absolute accuracy of the lowest can reach 0.03hPa.Can directly through the I2C bus connected with a variety of microprocessors.Pressure range: 300 ~ 1100hPa.