Features:1. A comprehensive handheld measuring instrument that can measure wind speed, temperature, and humidity.2. Simple button control with digital LCD display and automatic backlight function, you can read easily even at night.Very suitable for outdoor enthusiasts. It can perform accurate weather measurement in a few seconds and is easy to use. It is suitable for paragliding, kite surfing, kite flying, sailing, surfing, paragliding and shooting.Features include:Wind speed, temperature and humidity measurement.Wind speed unit selection function, C/F unit conversion function, maximum/minimum/average reading function, data retention function, air-cooling index prompt function, low battery warning, automatic shutdown, calibration function.Material: PlasticSize: about 11x4.5x2cm / 4.33x1 .77x0.79 inches Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.