【Lighter, smaller and more precise】 A fan wheel with seven blades that allows more precise measurements. The weight of 0.11 lbs and the 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 measurement】 Wind speed range: 0.3 to 30 m / s; Wind temperature range: 14 ° F to 113 ° F; Resolution 0.1 m / s, 32.36 ° F. Provides fast measurements for the analysis of critical environmental conditions. 【Thermometer Integrated Anemometer】 Wind 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 function】 The gift can be used to judge the wind direction; Auto power off assistance. Energy saving by automatic energy saving function. Adjustment of different wind measurements: Press the "MODE" button for 3 seconds until "m / s" starts flashing. Press the "SET" button to select the desired unit of measurement. To confirm the desired unit of measurement by pressing "MODE", you can choose the Package included 1 * mini size digital anemometer Battery 1 * 3V CR2032 1 * User Manual Note: it does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!