Floureon GM816 LCD Digital Display Handheld Portable Air Velocity Wind Speed Temperature Gauge Meter Anemometer NTC Thermometer Brand: Floureon (1 year warranty and friendly customer service) Multi-function: Wind chill indication and Beaufort scale, air velocity and temperature measurement Backlight LCD Display: LED back light design for operation under poor illumination Portable Design: This handy palm sized anemometer with strap for convenient carrying Ideal tool for windsurfing, sailing, fishing, kite flying and mountaineering, and also for industrial and home purpose such as measuring wind speed