Soft and Bright Visual Experience: The LED case fan shows horrible and vivid visual effect. Which will make your PC case more cool and hold your own personality. .Wide Compatibility: 120mm standard size, compatible with all kinds of chassis, suitable for PC air cooling fan and water cooling radiator. .Quiet Cooling & Long Life: Advanced hydraulic bearing for reliable, quiet operation. Lifespan of over 20,000 hours. .Easy to install, use and maintain: dual interface design, compatible 3-pin connector for motherboard and 4-pin connector for power supply. .Delivery : 1 x 120mm LED fan. Quality assurance: : 30-day free change or money-back guaranteeIf you have any questions or suggestions, do not hesitate to contact us. .