Feature 1180 Rotating Fan: Handheld anemometer has a 180 rotating fan, according to the direction of the wind, realtime adjustment of the fan measurement of different scenarios. 2Five Measurement Modes: Temperature and humidity measurement wind meter has five measurement modes, switch modes according to different wind speed measurement needs. 3High Sensitivity: Anemometer wind meter has highly sensitive wind blades and sensors, rapid response time and more accurate data collection. 4Shockproof Rubber Shell: Our handheld anemometer shell is made of rubber shell material, which is comfortable to the touch, drop resistant and wear resistant, and has strong impact resistance. 5Widely Used: Our wind meter can be used in wind energy, meteorology, industry, navigation, environmental protection, highway, airport, fan manufacturing, ventilation engineering, etc.Item Type: Handheld AnemometerMaterial: ABS, RubberWorking Height: 2000mMeasurement Method: Fan SensorDisplay Screen: LCDMaximum Display: 9999Sampling Rate: About 0.4 SecondsAutomatic Shutdown: About 10 MinutesOperating Current: 5mAPower Supply: Requires AAA Batteries x 2 (Shipped Without Batteries)Operating Temperature: 0-50Working Humidity: 0-85%RHStorage Temperature: -10-60Storage Humidity: 0-80%RH .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Anemometer1 x CrossScrewdriver1 x InstructionManual