Auto Power OffAuto Power Off after 10 minutes if there are no operation and measurement signal. Energy saving, can be widely used in wind energy, meteorology, industry, agriculture, hydrology and water conservancy, highways, airports, etc. | Portable & Easy To UseMade of high quality ABS mateial, durable and reliable. Portable size, compact and lightweight design, easy to carry and operate it. It helps you keep track of wind conditions for outdoor plans and give you a safe and joyful trip. | High Accurate Wind MeterLow friction bearing technology, 8 blades, wider blade diameter, more accurate measurement and more sensitive response, giving you a great using experience. |