Digital barometer, altimeter, thermometer.

Product attributes:
Measuring range (temperature): -10.0...+50.0 °C resp. 14.0... 22.0 °F
Measuring range (pressure): 300.0...1100.0 mbar resp. 225.0...825.0 mmHg
Measuring range (height): -500...+9999 m resp. -1640...19999 ft
 

Miscellaneous:
Sea level adjustment, offset and slope adjustment,tare function, auto-off, sum function, tendency meter, etc.

Thermometer, humidity meter and barometer all in one device!

Measurement ranges
Temperature: 0 to 50ºC
Relative air humidity: 10 to 95% rH
Barrometric pressure: 10 to 1100 hPa (mbar)
Dew point temperature: -25 to 49ºC
Resolution
Temperature:0.1°C
Relativeair humidity:0.1% rH
Barrometric pressure: 0.1 hPa to 1000 hPa (but 1 hPa)
Dew point temperature: 0.01ºC