It provides excellent accuracy; Relative accuracy of pressure read is +/-12hPa; Resolution (altitude difference is +/-1m): 1.5cm. BME280 is an ideal option for increasing high performance GPS, can achieve more accurate and faster location positioning.

Specifications: Relative humidity: 0~100%; Temperature range: -40~85'C; Humidity response time: 1s; Lag: relative humidity 2%; Pressure range: 300~1100hPa; Absolute air pressure accuracy: +/-1hPa (after soldering); Absolute temperature accuracy: +/-0.5'C (at 25'C); Communication interface: I2C, SPI

Features: It is a resistance measuring air pressure and humidity sensor which base on APSM technology; It is very suitable for smartphones, tablets, smart watch, wearable devices and other mobile devices.