LCD display also shows wind speed and temperature. Use 9V battery, with automatic shutdown and battery ... , 10 minutes, not pressed any button that automatically shut down.Anemometer Dimension: 183mm (L) * 76mm (W) * 45mm (H)LCD display Size ... ~ 70 °C, relative humidity 25% ~ 95%LCD display also shows wind speed and temperature. Use 9V battery, with automatic shutdown and battery ...