built-in compass The digital anemometer has a built-in compass. Flying the Hunting Sailing Drone outdoors will not only serve as an anemometer, but it can also act as a compass for outdoor direction determination.
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4 Sensitive wind cup sensor With 4 rotatable cup sensors, the RQ-881M wind speed monitor can measure wind speed from all directions with a high accuracy of ±4%. Industrial wind meter for balancing the air output of HVAC systems, out rowing, HVAC maintenance and hurricane measurements.
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Auto power off: About 15 minutes If you dont use it, the RQ-881M will automatically shut down for about 15 minutes, which will save power and make it easier for you to use it for a long time when you are out.
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