Features: Brand new and high quality This handy palm sized anemometer is ideal for weather enthusiast, lovers of kite flying, kite-surfing, wind-surfing, paragliding and sailors Measure wind speed and temperature Large easy-to-read LCD display with backlight Wind speed in Beaufort wind scale bar graph Wind chill indication Data hold function High precision pressure sensor Quick response, external thermistor Auto/manual power off Temperature display in Celsius Fahrenheit Current/max/average wind speed reading Powered by a 3V CR2032 battery(Not Included) Specifications: Material: Plastic+Metal Color: Black+Yellow Air Velocity 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. Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots. Accuracy: +/- 5%. Air Temperature Range: -10C ~ +45C, 14F~ 113F Resolution: 0.2F, 0.36F. Accuracy: 2C, 3.6F Thermometer: NTC Thermometer Operating Temperature: -10C ~ +45C (14F~ 113F ). Operating Humidity: Less than or equal to 90% RH Storage Temperature: -40C ~ +60C, -40F ~140F. Current Consumption: About 3mA. Wind speed range: 0-30m/s. Wind speed unit: m/s, Km/h, ft/min, Knots, mph. Size: 10.7cm x 4.5cm x 2.1cm - 4.21inch x 1.77inch x 0.83inch Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Digital Anemometer ( No including the battery )