About This Highly Accurate Wind Meter- Thanks to the sensitive dual temp sensors, 8 vanes, smooth fan shaft, the HoldPeak 866B Anemometer can accurately detect wind speed, wind chill and temperature. Which can help you monitor wind conditions in real time and calculate the CFM; 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 - This hand held anemometer has a tripod hole that allows you to free your hands while measuring. It also comes with a hand strap, which prevents it from being dropped or lost. This ensures every shooting, sailing, or drone flying safer and more enjoyable; Lightweight with Carrying Bag - This lightweight 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; What's in the Box - 2x HoldPeak 866B Digital Anemometer, 4x AAA Batteries, 2x User Manual, 2x Carry Pouch, 2xScrewdriver; Overview Brand : H HOLDPEAK Material : Plastic Item dimensions L x W x H : 6.5 x 3.27 x 1.5 inches Item Weight : 400 Grams Number of Items : 2