Handheld Wind Speed Indicator Digital Average Wind Speed Anemometer for Wind Speed MeasurementOOTDTYComometer Handheld Wind Speed Anemometer Digital Average Wind Speed for Wind Speed MeasurementFeatures:It can be widely used in agriculture, forestry, environment, ocean, school teaching and other fields. This instrument is a handheld wind cup anemometer with low power consumption design, LCD display, energy saving and clear display. The instrument adopts a new type of microcomputer technology with high sensitivity and fast computing speed. The five parameters of instantaneous wind speed, average wind speed, instantaneous wind level, average wind level, and corresponding wave height can be measured simultaneously. This instrument has the advantages of small size, light weight, complete functions, low power consumption, and convenient operation. Specifications:Item Type: Wind Speed Gauge Material: ABS Size: Length: Approx. 24.7cm / 9.7in Width: Approx. 9.9cm / 3.9in Battery Model: 3 * AA Batteries Supplied (Supplied Without Battery)Four, Use Method Function Key Description:1. A/B: wind speed function key, used to switch between (A) instantaneous wind speed and (B) average wind speed.2. C/D/E: a bear key of the wind level, used to switch between (C) instantaneous wind level (D) and equal wind level (E) corresponding to the height of the wave.3. HOLO: lock the function key, used to lock the current measured value and return to the lock.4. ON/OFF: the power switch is used to turn the power of the instrument on and off. Package List:1 x Wind Speed Meter