Digital Anemometer 0-30m/s Wind Speed Meter -10 ~ 45C 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. Specifications: · Air Velocity. · Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/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: -10°C ~ +45°C, 14°F~ 113°F. · Resolution: 0.2°F, 0.36°F. · Accuracy: ±2°C, ±3.6°F. · Thermometer: NTC Thermometer. · Operating Temperature: -10°C ~ +45°C (14°F~ 113°F ). · Operating Humidity: Less than or equal to 90% RH · Storage Temperature: -40°C ~ +60°C, -40°F ~140°F. · Current Consumption: About 3mA. · Wind speed range: 0-30m/s. · Wind speed unit: m/s, Km/h, ft/min, Knots, mph. · Dimensions: 10.7cm x 4.5cm x 2.1cm - 4.21inch x 1.77inch x 0.83inch. Package Included: · 1 x Digital Anemometer (batteries are not included