This is a handheld anemometer, which is made of plastic material, for use. Easy one-handed design, you can keep this anemometer in your pocket. Digital design, providing higher measuring accuracy and less likely to break off by wind. It comes with a storage, anti-slip design, protecting your anemometer nicely. Features -Material: Plastic. - ade of plastic material, for use. - Easy one-handed design, you can keep this anemometer in your pocket. - Digital design, providing higher measuring accuracy and less likely to break off by wind. - It comes with a storage, anti-slip design, protecting your anemometer nicely. - It not only can measure , but also can measure temperature and humidity. Specification -Wind measurement range: :0.3 - 30 /s -Accuracy: ±5% -Temperature measurement range: -10 - 50° C (14 - 122° F) -Accuracy :±1 ° C -Humidity measurement range: 20%- -Accuracy: ±5% -Resolution: 0.1 /s, 1%, 0.1° C -Operating temperature: 0 - 50° C (32 - 122° F) -Operating humidity: 10 - 90%RH -Storage temperature: -10 - 60° C (14 to 140° F) -Storage humidity: 10 - 75%RH Package list: 1 x Anemometer