Longwell 60x60x25 4000RPM -10000RPM 12V Dc Brushless Fan 60mm Extractor Fan is a high-quality cooling fan suitable for various applications. It has a nominal voltage range of DC12V, DC24V, DC48V, EC(115V, 230V), AC 115V, 230V. The fan dimensions are 60x60x25mm, and the nominal diameter ranges from 25mm to 254mm. This fan operates at speeds ranging from 4000RPM to 10000RPM, making it efficient and reliable for cooling purposes.