Sincereetali Do you want to measure air speed (wind speed) and temperature? You can try this mini anemometer if you fly jets, drones, wings, or helicopters. It is very useful and widely used for hiking, sailing, drone piloting, ventilation system, sea sports competition, wind energy, marine sector, exhaust fans, air conditioning, etc. Features: 2-in-1 digital anemometer for measuring air speed (wind speed) and temperature. With maximum, average, and current air speed measurement with Beaufort scale. Selection of 6 wind speed units: m/s, ft/min, knots, km/h, mph, bft, and temperature units ℃ / ℉ selection. Large LCD display with backlight for easy use in the dark. Perfect for home and outdoor use. Low battery indication, wind chill indication, auto/manual power off and energy saving. Specifications: Color: Black + Red Material: ABS Plastic Switchable Wind Speed Unit: m/s, knots, km/h, mph, ft/min, bft Range: 0～30m/s, 0～90Km/h, 0～55Knots, 0～65 mph, 0～5860ft/min Resolution: 0.1m/s, 0.3Km/h, 0.2Knots, 0.2mph, 19ft/min Minimum Wind Speed: 0.7m/s, 2.5Km/h, 1.4Knots, 1.6 mph, 137ft/min Air Speed Accuracy: ±5% Temperature Range: -10～45℃ / 14～113℉ Temperature Resolution: 0.2/ 0.36 Temperature Accuracy: ±2 / ±3.6 Auto Power Off: 14 minutes without operation Thermometer: NTC Thermometer Operating Conditions: -10～～45℃ / 14113℉, 90%RH Storage Conditions: -40～～60℃ / -40140℉ Display: LCD Display with Backlight Battery: 1 * 3.0V CR2032 Button Battery (Not Included) Current Consumption: Approx. 3mA Item Size: 47 * 21 * 126mm / 1.9 * 0.8 * 5.0in Item Weight: 86g / 3.0oz Package Size: 13 * 5.9 * 3.5cm / 5.1 * 2.3 * 1.4in Package Weight: 102g / 3.6oz Package List: 1 * Digital Anemometer 1 * User Manual (English) 1 * User Manual (English)