Features [Affordable 3-in-1 Multifunctional Wind Speed Meter] HT605 anemometer is designed to the needs of the average consumer, with the functions most users need while eliminating unnecessary functions. And the digital handheld anemometer can monitor and record wind speed, wind temperature, and wind humidity, which can meet most of the consumers' needs [Professional Accurate Air Velocity Meter] HT605 anemometer with 2 temperature sensors and 8 vanes, which makes the wind meter very sensitive to measure very low air flows that can accurately measure air speed in 5 units: m/s, km/h, ft/min, knots, ft [Specification]The wind speed meter for measuring wind speed range 0.5~30 m/s(+/- 2% of readings); Wind temperature -20~60, -4-140(+/-0.2,32.56); Wind humidity 20%-80% RH(+/-0.2%RH); [Multifunctional Anemometer]The portable wind gauge has the functions of reading holding, maximum/minimum/average value, With -screen LCD and backlight, Auto-off, multi-unit switching, and other functions Material: ABS Color as shown Package Contents: 1X HT605 Anemometer(3X 1.5V AAA Batteries Do not include) 1X English manual 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.