3pcs 5V USB Cooling Fan Governor LED Dimming Module Low Power Timer Board without Shell

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Highlights:  
1. With soft-start function, the output voltage increases slowly and there is no inrush current, which can effectively extend the life of the fan motor or LED tube. 2. The NC voltage regulation is convenient, quick and more accurate. 3. Can be set to shut down regularly, safe power saving, healthy sleep. 4. Double-click to close the digital tube display, reduce power consumption and light source pollution.
  Product Parameters:  
1.
Input voltage: 4.0V -12V2.
Output voltage: 2.5V - 8.0V 3.
Output power: 5W (don't overload it! )4.
Timing time: 0-999 minutes5.
Product size: without
shell: 72mm * 25mm * 9mm6.
Product weight: without
shell: 12gPackage
includes: 3 x Module