High performance for cooling computer electronic components such as cpu, gpu, and pc case. Upgrade the vent fan on the back of an rv fridge, refrigerator. High Speed 3000RPM moves a lot of air, 42dBA noise level at full speed maybe too loud for some applications. Drops temperature quickly, provides powerful airflow and cools down the equipment effectively. Easy to Install Each fan comes with a fan grill and mounting screws & nuts, and the cable length is 25cm or 9.5 inches for easy installation. WarrantyOne-year quality assurance. Please contact us If the product has any quality problems, it will be replaced within one year. Dimension120mm(L) x 120mm(W) x 38mm(H) / 4.72x4.72x1.5 in. per fan. rated Voltage:12V 0.5A; Speed: 2800RPM; Air flow: 118CFM; Noise:42dBA