You will not be disturbed when you work due to low noise of the cooling fan. And it has colorful lights, which is gorgeous and colorful, allowing you to immerse yourself in the art of light. With high speed and large air volume, the cooling fan can reduce equipment working environment temperature and prolong the service life of equipment. It is constructed of plastic material. The length of the product is 12cm, the width is 12cm and the height is 2.5cm. Cooling fan is suitable for computer case to use. Item Name: Cooling Fan Material: Plastic Voltage: DC12V 0.25A Fan Speed: 1200RPM±10% Air Volume: 33.5CFM±10% Applicable Type: Computer Case Features: Mute, Colorful Light Effect, Low Noise Size Details: 12cm x 12cm x 2.5cm/4.72" x 4.72" x 0.98" (Approx.) Notes: 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. Package Includes: 1 x Cooling Fan