Anemometer,GM816 Digital Mini LCD Wind Speed Gauge Air Flow Velocity Thermometer Measuring Device with Backlight Great for Windsurfing, Sailing, Etc

Powered by a built-in 3V battery.

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Multi Function：Data Hold Function; High Precision Pressure Sensor; Air velocity; wind speed and temperature measurement; ℃/℉ temperature selection; Current / max / average wind speed reading Data Hold Function; Auto/ Manual Power Off; Low battery indication.
Ultra Thin & Slim Fit：Compact and lightweight, you can keep it in pocket. pack with a yellow protective case and wrist strap. The rubber outer case provides good protection, and the wrist strap ensures you don’t lose the anemometer in a strong wind.
Widely Used: widely used in the flying industry, offshore operations, environmental testing, various fan manufacturing, ventilation, air conditioning systems, etc.and also can be used for windsurfing, sailing, fishing, kite flying and mountaineering.
Backlight LCD display： LCD display with backlight ，Back-light makes you easy to read in low light areas or night. Simultaneous display of wind speed and air temperature
Measurement Specification：Size; 105*18*40(mm)； Resolution 0.1m/s 0.2°C； Wind speed 0~30(m/s)；Measurement accuracy 0.1 m / sec； Measuring range 0-30 m / s