Features： 1、Smart Testing: You can use this anemometer to measure the maximum average value of wind speed as well as the temperature. 2、High Accuracy: Wide in measurement range and high in accuracy, the wind speed tester with quick response is very reliable. 3、Clear Display: Digital display enables a clear viewing on the data, which will largely simplify both the operation and use. 4、Broad Utility: Can be widely applied in wind speed measurement in wind energy, meteorology, industry, agriculture and so on. 5、Easy Carrying: Designed to have a light weight and a compact size, both the storage and carrying are very convenient. Specification： Item Type: Wind Speed Meter Material: Plastic, rubber. Product Size: Approx. 10.5 x 4cm / 4.13 x 1.57in Wind Speed Measurement Range: 0 - 30 m/s, 0 - 90 km/h, 0 - 5860 ft/min, 0 - 65 mph, 0 - 55 knots Resolution: 0.1ms, 0.3km/h, 19ft/min, 0.2mph, 0.2knots Accuracy: ± 5% Temperature Measurement Range: -10 ~ 45℃, that is, 14 ~ 113℉. Temperature Resolution: 0.2℃ or 0.36℉ Temperature Accuracy: ± 2℃, ± 3.6℉ Thermometer Type: NTC Package List： 1 x Wind Speed Meter