You won’t believe all of the things this little Hand-Held Wind Meter can do. It gives you wind speed in mph, m/s, km/h, knots and Beaufort scale (displayed as a bar graph). It provides maximum and average wind speeds since power was turned on. It offers temperature and windchill readings in °F or °C. When you need wind speed and temperature readings in the field, this palm-size Meter is a great choice! The backlit display is easy to read. Wind speed range is 0–67 mph. Temperature range is –21.8° to 138.2°F (–29.9° to 59°C). Auto-off feature saves battery power. The weather-resistant case handles the elements. Meter measures 4"H x 1.63"W x 0.7"D. Includes neckband and one CR2032 button-cell battery.