SMART SENSOR Handheld Digital High-Precision Wind Speed Meter 1. Wind speed ??measurement range: 0.3-30 ms 2. Wind speed ??unit selection: ms, Ftmin, Knots, kmh, Mph 3. Probe rotation: 180 degrees 4. Wind temperature measurement: 0-50°C 5. °C°F Unit conversion: yes 6. Backlight display: yes 7. Power monitoring: yes 8. Low battery indicator: yes 9. Resolution: 0.1 ms 10. Data hold: yes 11. Auto power off: yes 12. Auto power off timer: 14 minutes of inactivity 13. Power supply: 3 x 1.5 AAA Batteries (Not Included) 14. Compact design, easy to hold in your hand or carry in your pocket, making it easy to carry and test anytime, anywhere. 15. It can be used flexibly in various fields, including power generation, steel, petrochemicals, energy conservation, ventilation, meteorology, sports competitions, home testing, scientific research, wind tunnel testing, fan manufacturing, and exhaust systems. 16. Net weight: 80g 17. Dimensions: 162x47x25mm