Feature: 1. Great Data Collection Ability: This digital anemometer has short response time, strong anti interference ability, and can sense small wind, excellent data acquisition ability. 2. LCD Display: This digital anemometer has a LCD backlight display for easy reading, you can use it to determine local weather conditions and assess wind speed's potential impact on your activities. 3. Functions: This anemometer measures wind speed, wind volume and wind temperature. It also displays maximum wind speed, average wind speed, with automatic power off function, stable, safe and reliable performance. 4. Compact and Portable: This anemometer comes with a storage box, anti slip fan handle, easy to hold and operate with one hand, convenient to carry out the use. 5. Multiple Applications: Widely used in wind energy, meteorology, industry, agriculture, water conservancy, eco protection, highway, airport and other fields. Specification: Item Type: Digital Anemometer Material: Plastic Weight: Approx. 992g/35.0oz Application: Widely used in wind energy, meteorology, industry, agriculture, water conservancy, eco protection, highway, airport and other fields Battery: AA battery x 4 (delivered without battery) Standby Current: ≤2uA Working Current: ≤18Ma Display Size: Approx. 150x80x39mm/5.9x3.1x1.5in Fan Size: Approx. 251x72x30mm/9.9x2.8x1.2in Fan Stretching Length: Approx. 495mm/19.5in Functions: Wind speed, wind volume, wind temperature, USB computer communication Operating Environment: ≤80% RH humidity, 0 to 50℃ (32℉ to 122℉) display temperature, 0 to 60℃ (32℉ to 140℉) fan temperature Storage Environment: ≤80% RH humidity, minus40℃ to 60℃ (minus40℉ to 140℉) temperature Function: Measurement of wind speed, temperature and flow rate Unit conversion of wind speed, temperature and flow rate Measurement of maximum and minimum wind speed Measurements of 2/3 Vmax and mean wind speed Data saving, storage and deletion functions Low battery indicator function Automatic power off function (if no automatic power off within 10 minutes of any operation) Memory for 500 records Backlight function Connect to computer via USB data cable Voice key warning Large LCD display Fan handle can be extended. Package List: 1 x Digital Anemometer1 x Fan 1 x USB Cable 1 x Storage Box 1 x Specification