Lighter, smaller and more preciseA fan wheel with seven blades that allows for more precise measurements. The weight of 0.11 lbs and dimensions of 4.4 x 1.5 x 0.6 are easy to carry. Easy to measure wind speed and temperature anytime and anywhere. Highly sensitive and accurate measurementWind speed range: 0.3 to 30 m/s; Wind temperature range: 14F to 113F; Resolution 0.1 m/s, 32.36F. Provides rapid measurements for analyzing critical environmental conditions. Integrated Thermometer & AnemometerWind speed, temperature and wind chill on one LCD screen. Wind speed is measured in 5 units: m/s, km/h, ft/min, Knots, mph. Temperature unit: C / F. More humanized functionThe gift can be used to judge the wind direction; Auto power off support. Energy saving by automatic energy saving function. Setting different wind measurements: Press the MODE key for 3 seconds until m/s starts flashing. Press the SET button to select the desired unit of measurement. To confirm the desired measurement unit by pressing "MODE", you can choose the Package included 1 * mini size digital anemometer Battery 1 *3V CR2032 1 *User Manual Note: This does not include other things, the color is based on the first picture and other pictures only show the effect Due to differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!