TL-300 3-in 1 Mini Handheld Multifunction Digital Thermometer Hygrometer Anemometer Features: It is a comprehensive handheld wind meter with wind speed, temperature, humidity, wind gust, and Beaufort Scale, all in one compact, portable, rugged package. This state-of-the-art digital anemometer is perfect for outdoor enthusiasts. It can perform accurate weather measurements in seconds, easy e. It is suitable for gliding, kite surfing, kite flying, sailing, surfing, paragliding and shooting. Other features include wind hold mode, wind average mode, low battery indicator and automatic power down to save battery life. Other functions include: wind speed, temperature and humidity measurement, wind speed unit selection function, Beaufort wind level measurement function, °C / °F unit conversion function, maximum/minimum/average reading function, data retention function, wind cold index prompt function, Low battery warning, automatic shutdown, calibration function. Specifications: Condition: Material: ABS Wind speed measurement range: 0.3 to 30 m / s Accuracy: ±5% Temperature measurement range: -10 to 50 °C (14 to 122°F) Accuracy: ±1 degree Celsius Humidity measurement range: 20% - -99% Accuracy: ± 5% Resolution: 0.1m/s, 1%, 0.1°C Operating temperature: 0 to 50°C (32 to 122°F) Operating humidity: 10 to 90% RH Storage temperature: -10 to 60°C (14 to 140°F) Storage humidity: 10 to 75% RH Package list: 1 * Anemometer (Battery not included) 1 * Lanyard 1 * English Manual 1 * Carrying Case