Description: This is a portable wind speed gauge that can accurately measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. The bright backlit LCD screen can show wind speed, wind temperature, wind chill, low battery indicator. It is light weight and portable for you and your family to measure for outdoor activities. The 2 temperature sensors and 8 vanes makes the meter very sensitive to measure very low air flows, helping you with HVAC installation, CFM calculation. There is a metal threaded hole on the bottom of the digital anemometer, so you can fix it on a tripod for continuous wind measurement. To set your hands free when you fly drones, RC planes or long distance shooting. Made of high-quality plastic, this anemometer is durable and sturdy. It is 16.5cm long, 8.5cm wide and 3.8cm high. It is suitable for the measurement of wind speed, temperature for windsurfing, flying kites, drones, sailing, surfing, fishing, hiking, shooting and other outdoor activities. Item Name: Anemometer Material: Plastic Batteries: 2 x 1.5V AAA Battery (Included) Resolution: 0.1m/s Accuracy: 5% of rdg Wind Speed Range: 0.3-30m/s Wind Temperature Range: -10 Degree Celsius - 45 Degree Celsius Size Details: Size: 16.5cm x 8.5cm x 3.8cm/6.5" x 3.35" x 1.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x User Manual 1 x Protective Case 1 x Lanyard 1 x Anemometer