[Accurate Wind Meter] The anemometers measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph, with 12 beaufort scales, and detect air temperature (14 F and 113 F).[Multi-Function] High-precision pressure sensor; Air velocity; wind speed and temperature measurement; C/F temperature selection; With 6 sensitive vanes for you to measure HVAC installation, CFM calculation, duct winds.[Backlight Function] User can work in a dark environment with your anemometer via the backlight function. Optional manual/auto power off, it would automatically turn off if you don't use it for 5 minutes. [Mini Size & Portable Design] Compact and lightweight, you can keep it in your pocket, comes with an orange protective case that provides good protection and a wrist strap ensures you can hold it even in strong winds. [Various Applications] This anemometer provides quick measurement for analyzing environmental conditions, ideal for industrial and household applications, such as measuring wind speed, fan speed, CPU computer fan temperature, and also used for windsurfing, sailing, fishing, drone flying and mountaineering. Delivery Quantity: 1 piece,"