Features: Designed with a high double precisions ball bearing, ensuring maintenance free operation for up to 40000 hours. Perfect for cooling frequency converters in industrial settings. Effectively dissipating heat and maintaining performances. Designed for professionals in the computer and office industry, perfect for individuals or businesses looking to enhancer the performances of their computers and electronic devices. It effectively reduces the risk of overheating, ensuring the smooth operation of equipment and minimizing downtimes. Its high quality construction and exceptional performances make it a valuable investment for any professional or enthusiasts seeking superior cooling solution. Specifications: Material:Plastic Model: F12038Z40D024-SM100 Size: Approx.120x120x38mm/4.72x4.72x1.5inch Voltage: 24V Current: 1.0A Power: 24w Rotational speed: 5000rpm 10% Air volume: 212.57CFM Space exhaust air volume: 6.019m3/mins Noise: 61db Bearing: high-precisions maintenance-free double balls Service life: 40000 hours Service temperature: -15℃-65℃ Package Includes: 1x Cooling Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.