Electronic Anemometer 30m/s (65MPH) Digital Wind Speed/Wind Sport Beaufort Scale Weather Enthusiast Portable Speedometer Features: This handy palm sized anemometer is ideal for weather enthusiast, lovers of kite flying, kite-surfing, wind-surfing, paragliding and sailors.  Not only will it help you measure wind speed, but it will also help measure temperature and wind chill indication.  Made by professional manufacture.  Thermometer: NTC  Thermometer  Operating Temperature: -10C~+45C(14F~113F)  Operating Humidity: <=90%RH  Store Temperature: -40C~+60C(-40F~140F)  Current Consumption: About 3mA  LCD backlight  Wind chill indicated  Low battery warning  Beaufort Scale Anemometer  Win speed & temperature measurement  Measure wind speed in: Curent/Average/Max  Auto power OFF (Auto shut off in 50 second)  Different wind speed measurement unit: mph, ft/min, Km/h, m/s or Knots (Current / Average / Max)  This Anemometer is a wonderful gift for a wind sport enthusiasts Specifications:  Battery: CR2032  3.0V (Not Included)  Net Weight: 69g  Weight included package: 117g  Dimensions: 105 x 58 x 22mm Package Included:  1 x Digital Wind Speed Anemometer  1 x User Manual