Digital anemometer uses

Digital anemometer uses Digital anemometer uses It is ideal for outdoor activities such as Windsurfing; Flying Kite, Aeromodelling and UAV; Sailing; Surfing;Fishing; Hiking; Shooting; Walking   Features: 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 C/F Wind speed range: 0-30m/sWind temperature range: -10 - 45 centigrade (14-113F)Current/max/average wind speed readingWind speed unit: m/s, Km/h, ft/min, Knots, mphCE Approved Specification:Powered by a 3V CR2032 batteryThermometer: NTC ThermometerOperating Humidity: less than or equal to 90%RHStorage Temperature: -40~60 centigrade, -40~140FCurrent Consumption: About 3mAItem weight: 50gAir Velocity:Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55KnotsResolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2KnotsThreshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots Accuracy: ± 5%Air Temperature:Range: -10 - 45 centigrade, 14 - 113FResolution: 0.2 centigrade, 0.36FAccuracy: ± 2 centigrade, ± 3.6F Package Included:1 * Proster TL017 Digital Anemometer1 * 3V CR2032 Battery1 * Lanyard1* Protective Case1 * User Manual Note: Please take off the rubber then rotate battery then insert the battery into the battery cell Warranty:This Proster Digital Anemometer Provides 18 Months Warranty.- Proster Handheld LCD Digital Anemometer with Backlight: Use to Measure Wind Speed and Temperature- Wind Chill Indication; Data Hold Function; Auto/ Manual Power Off; High Precision Pressure Sensor- Wind Speed Range: 0-30m/s; Wind Speed Unit: m/s, Km/h, ft/min, Knots, mph- Wind Temperature Range: -10 - 45 Centigrade (14-113F); Storage Temperature: -40~60 Centigrade- Air Velocity: Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots