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6 points Humidity Indicator Card for high-end electronics

The humidity indicator card is a small paper instrument that can monitor the relative humidity level in a closed space. The percentage data above or on the side of the circle is the relative humidity data indicated by the corresponding circle.

6 points Humidity Indicator Card for high-end electronics

The humidity indicator card is a small paper instrument that can monitor the relative humidity level in a closed space. The percentage data above or on the side of the circle is the relative humidity data indicated by the corresponding circle.

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