4 in 1 Handheld Anemometer - Professional measurement of wind speed, wind temperature, air volume and wind chill（＜0°C is displayed）, MAX/Average/Current wind speed selection; 5 wind speed units m/s, ft/min, knots, km/hr, mph; Auto-off after 14 minutes of inactivity; Large backlit LCD display provides clear readings, in MAX mode, the data memory function is not affected by shutdown. Accurate Digital Anemometer - The anemometer measures wind speed in the range of 0~30m/s (0~65 mph) (accuracy ±5%), wind temperature -10°C ~45°C/ 14°F ~ 113°F (±2°C, ±3.6°F), resolution 0.1m/s; high-quality 6-leaf sensitive wind wheel is used to effectively reduce wind resistance and improve measurement accuracy. Multifunctional Anemometer - Ideal for commercial and home use. Such as drones, HVAC, sailing, shooting, kite flying and fan wind speed testing, knowing the weather forecast in advance to plan trips. Perfect for pilots, engineers, captains, sailors and others interested in weather. Lightweight and