?Dual ball bearings - High Speed version
?High quality Dual ball bearings, More stable and Long life, suitable for continuous work. Use time can 24 hours / day. The life expectancy is about 60,000 hours. No maintenance required. But Lubricating oil can further reduce noise.
?Size: 40x40x20mm
?Rated voltage: DC 5V
?Line length: about 1.18in / 30mm
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Package include:
?4 x High Speed 4020 5V Dual ball bearings Blower Fan
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Product Warranty:
-WINSINN are devoted to offer premium quality products to all cherished customers. Meanwhile supply 60 days money back guarantee and 24 months warranty.
-If there are any questions, please feel free to contact us, WINSINN Customer Service Team will spare no efforts to assist with you within 24 hours.
