MULTIFUNCTIONAL WIND METER: designed to measure wind speed (0-30 m/s, 0-5860 ft/min, 0-55 knots, 0-90 km/h, 0-65 mph) with 12 scales sensor, and detects air temperature (14F and 113F), easy to switch / units by pressing the button without tools, supports wind chill indication, displays the Max/Average/Current air speed on real-time LCD screen, more convenient than a 2-button anemometer. EASY TO INSTALL BATTERY AND USERemove the protective cover yellow rubber, thenthe battery door, it's easier than other anemometers. Put in a CR2032 battery (included), turn on the wind speed anemometer by pressing inchModeinch for 2 seconds to measure the wind and analyze the environment to do activities. Backlight and auto/manual shutdown: press press any key to turn on the wind meter backlight for 12 seconds, convenient to read in a dark place, press inchMODEinch + inchSETinch simultaneously to turn off the wind meter, or no operation for 14 minutes, it's 'will automatically power off. MULTI-PURPOSE WIND SENSOR- This digital wind speed anemometer is perfect for industrial and household applications, like measuring HVAC velometer speed, air conditioner and CPU temperature . The mini anemometer for sailing, shooting, hang gliding, drone wind speed test, or food and industrial manufacturing. PORTABLE ANEMOMETERThe wind speed thermometer is compact in design and lightweight, small enough to put in pockets, easy to carry and use. Handheld wind speed tester with a simple yet detailed manual. Please feel free to contact us if you have any question. Wind Speed Specification: Range: 0 - 30 m/s, o - 90 km/ho - 5860 ft/min, 0 - 65 mph, 0 - 55 knots Resolution: 0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 knots Threshold: 0.1 m/s, 0.3 km/h, 39 ft/min 0.2 mph, 0.1 knots Accuracy: +/-5% Air temperature specifications: Thermometer: NTC Thermometer Range: -10C to 45C (between 14F and 113F) Storage temperature: -40C to +60C, -40F to 140F Resolution: 0.2C, 0.36F Accuracy: 2C, +3.6F Current consumption: approx. 3mA Operating humidity: less than or equal to 90% RH Dimensions: 49* 21* 112.1mm Weight: 98 g Color as shown Quantity delivered: 1 piece