Specifications: Model:GM816. Color:show as pictures. Size:105*40*18mm. Material:plastic and metal. Range:0 - 30m/s,0 - 90km/h,0 - 58 60ft/min,0 - 65mph,0 - 55Knots. Resolution:0.1m/s,0.3km/h,19ft/min,0.2mph,0.2Knots. Air Temperature Range:-10°C ~ +45°C,14°F~ 113°F. Resolution:0.2°F,0.36°F. Accuracy:±2°C,±3.6°F. Operating Temperature:-10°C ~ +45°C (14°F~ 113°F ). Operating Humidity:Less than or equal to 90% RH. Measure wind speed and temperature. Current/max/average wind speed reading. Temperature display in Celsius Fahrenheit. Wind speed unit:m/s,Km/h,ft/min,Knots,mph. Wind speed in Beaufort wind scale bar graph. Large easy-to-read LCD display with backlight. Auto/manual power off. Wind chill indication. Low battery indication. Powered by a 3V CR2032 battery(not included).

Package Include: 1 * GM816 Anemometer. 1 * User Manual. 1 * Neck Strap.