1. Measuring range: 0~30m/s 2. Measurement accuracy: +/-2% 3. Measurement object: wind speed 4. Resolution: 0.01m 5. Wind speed: 30m/s 6. Product size: 180x87x54mm 7. Weight: 0.213kg 8. Power supply: 3x1.5V AAA batteries 9. Small size, light weight and portable, does not take up space 10. Using eight-blade fan + imported bearing sensor, short response time, strong anti-interference ability, and more accurate data collection 12. Anti-drop, dust-proof and waterproof triple protection design, made of ABS material, comfortable to hold, strong impact resistance