Camera Cooling Fan for Sony ZV-E10 A7S3 FX30 for Canon R6 for Fujifilm X-T4 Came

Refrigeration principle: Semiconductor refrigeration. Long press the power button for 3 seconds to turn on the device, short press to switch between high and low gears. The red indicator light will light up as high gear, and the green light will light up as low gear;.

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