Feature:1. 8 in 1 digital anemometer to measure air velocity, temperature, humidity, wind chill, heat index, dew point, barometric pressure and altitude.2. C / F selection, wind speed units selection: m/s, ft/min, knots, km/h, mph.3. LCD display with white backlight for clear reading.4. Maximum, minimum and average value measurement function(for all measurement modes).5. Low battery warning, automatic \u0026 manual power off function.6. C / F selection, wind speed units selection: m/s, ft/min, knots, km/h, mph. LCD display with white backlight for clear reading.7. Maximum, minimum and average value measurement function(for all measurement modes). Low battery warning, automatic \u0026 manual power off function.8. Data holding function and calibration function. The beaufort scale will be always displayed according to current wind speed in all modes.9. Pocket-sized and ultra-light, comes with a storage case and a lanyard for convenient carry.10. 8 in 1 Design,:measure air velocity, temperature, humidity, wind chill, heat index, dew point, barometric pressure and altitude.11. Pocket-sized and Ultra-light:LCD display with white backlight for clear reading.Comes with a storage case and a lanyard for convenient carry.12. C / F, wind speed units selection: m/s, ft/min, knots, km/h, mph.13. The beaufort scale will be always displayed according to current wind speed in all modes.Maximum, minimum and average value measurement function(for all measurement modes).14. Data holding function and calibration function.Low battery warning, automatic \u0026 manual power off function.15. 8 in 1 POWERFUL DIGITAL ANEMOMETER -- It can measure air velocity, temperature, humidity, wind chill, heat index, dew point, barometric pressure and altitude.Specification:This compact ultra-light tool can help you measure wind speed whether you're flying RC planes, drones, wings, helicopters. 8 in 1 design, also can be used to measure temperature, humidity, wind chill, heat index, dew point, barometric pressure and altitude.Features:8 in 1 digital anemometer to measure air velocity, temperature, humidity, wind chill, heat index, dew point, barometric pressure and altitude.°C / °F selection, wind speed units selection: m/s, ft/min, knots, km/h, mph.LCD display with white backlight for clear reading.Maximum, minimum and average value measurement function(for all measurement modes).Low battery warning, automatic & manual power off function.Data holding function and calibration function.The beaufort scale will be always displayed according to current wind speed in all modes.Pocket-sized and ultra-light, comes with a storage case and a lanyard for convenient carry.Note: Please use calibration function with caution, read the instructions carefully first.Specifications:Material: plastic shell + electronic componentAnemometer Color: Red / Blue / Black (Optional)Storage Case & Lanyard Color: blackBattery: 1 * LIR2032 3.6V Button Cell (not included)Wind Speed Range: 0~30m/s; 0~5860ft/min; 0~55knots; 0~90km/h; 0~65mphWind Speed Unit: m/s, ft/min, knots, km/h, mphResolution: 0.1m/s; 19ft/min; 0.2knots; 0.3km/h; 0.2mphAccuracy: ±5%Wind Chill Range: -40~10°C (0~30m/s); -49~50°F (0~65mph);Resolution: 0.1°C; 0.1°FAccuracy: 1°C; 1.8°FTemperature Range: -29~70°C; -20~158°FResolution: 0.1°C; 0.1°FAccuracy: 1°C; 1.8°FRelative Humidity Range: 0~100%RHResolution: 0.1%RHAccuracy: ±3%RHHeat Index Range: 21.1~54.4°C (0~100%RH); 70~130°F (0~100%RH);Resolution: 0.1°C/°FAccuracy: 2°C; 3.6°FDew Point Range: -29~70°C; -20~158°FResolution: 0.1°C; 0.1°FAccuracy: 2°C; 3.6°FBarometric Pressure Range: 10~1100hpa; 10~1100mbar; 0.29~32.48inHg;Resolution: 0.1hpa; 0.1mbar; 0.01inHg;Accuracy: 1.5hpa; 1.5mbar; 0.05inHg;Altitude Range: -700~9000m; -6000~30000ftResolution: 1m; 1ftAccuracy: 12m; 50ftAnemometer Size: 11.5 * 4 * 2cm / 4.5 * 1.6 * 0.8inAnemometer Weight: 47g / 0.2ozPackage Size: 16.2 * 10 * 2.3cm / 6.4 * 3.9 * 0.9inPackage Weight: 100g / 3.5ozPackage List:1 * Digital Anemometer1 * Storage Pouch1 * Lanyard1 * User Manual(English)Package List:1 * Digital Anemometer1 * Storage Pouch1 * Lanyard1 * User Manual(English)