Features: EFB0424VHD fan with alarm function and support monitoring the temperature in time and protect the equipment from overheating damage. EFB0424VHD fan with DC24V Brushless motor low noise, efficient cooling and long life. Alarm function can remind users of abnormal equipment temperature. Suitable for users of computers, servers, industrial equipment,who need to protect their equipment from overheating damage. Can be widely used in various environment such as offices, homes, factories, ensuring continuous and stable operates of equipment. Specifications: Model：FFB0824EHE Support: 24V 0.75A Size：about 8x8x3.7cm/3.15x3.15x1.46in Features：Alarm function Speed：5700RPM Package Includes: 1PC 8CM Brushless Fan note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.