[Highly Accurate Wind Meter]Thanks to the sensitive dual temp sensors, 8 vanes, smooth fan shaft, the 866B Anemometer can accurately detect wind speed, wind chill and temp. And this digital anemometer has a wind speed measurement range of 0.67-67.1 mph(+/- 2% of readings), Which can help you monitor wind conditions in real time. [Professional & Multifunctional]This Pro wind speed meter has functions such as: unit switching of wind speed(m/s, km/h, ft/min, knots, mph) and wind temp(,), Max/Min/Average Wind Speed, battery level display, auto off, backlight, etc. Which can meet various measuring demands. [With Tripod Hole & Hand Strap]Our handheld anemometer has a tripod hole that allows ou to fix the anemometer on the triangular bracket while measuring. It also comes with a hand strap, which prevents it from being dropped or lost. This ensures every , sailing, or drone flying and more enjoyable. [ with Carrying Bag]This and user-friendly anemometer is perfect for outdoor enthusiasts. And it comes with a waterproof carrying pouch that allows you to carry and protect the device better during outdoor activities. [Wide Applications]This handheld wind meter is ideal for outdoor activities like surfing, drone flying, kite flying, boating, golf, etc. And it is sensitive to measure very low air in HVAC installation, duct vent. Which can be a good helper in CFM calculation. You can simply calculate the CFM: Air in CFM =Wind speed x Duct Sectional Area. Color: As Shown Material: plastic Package Contents: 1 x Anemometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.