?Oil bearings, use time no more than 12 hours / day. The life expectancy is about 30,000 hours. Lubricating oil is required to maintain the bearing.
?Size: 40x40x20mm
?Rated voltage: DC 5V
?Rated current: 0.25A
?Power: 1.25W
?Speed: 6700 + -10% RPM
?Noise: 22DBA
?Wind speed: 5.5M/S
?Wind volume: 9CFM
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Package include:
?4 x 4020 5V 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.
