1、Large Air Volume: The cooling fan has 11 fan blades and a large air volume design, which can realize large area heat dissipation. 2、RGB Colorful: Using sophisticated production technology, the RGB cooling fan has colorful luminous colors and a super cool visual experience. 3、Enhanced Frame Design: The enhanced frame design can effectively protect the fan from deformation and has a long service life. 4、Shockproof Silent: The cooling fan can work silently and shockproof, so that you will not be disturbed by noise. 5、High Quality Materials: Made of high quality ABS, the RGB CPU cooling fan is sturdy, durable and not easily damaged. 1 x Cooling Fan Kit (3 x Cooling Fan + 1 x Controller + 1 x Connecting Wire)12 x Screw1 x User Manual1 x Remote Control Item Type: CPU FanMaterial: ABSInner Circle Diameter: 11cmOuter Circle Diameter: 11.8cmNumber of Fan Blades: 11Fan Speed: 1200rpm ± 10%Noise Level: 19.5dBAAirflow: 45 CFMRated Voltage: DC 12VRated Current: 0.17 ± 0.03ABearing Type: Sleeve BearingMtbf: 20000 HoursRemote Control Battery: CR2025 150mAh (Not Included) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.