The dual ball bearing computer fan made of ABS is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The craftsmanship can serve you well without falling off easily. This is a very practical dual ball bearing computer fan. Features -Color: Black -Material: ABS -Size: 12.00X12.00X2.50cm/4.72X4.72X0.98in - Heat-resistant and flame-resistant cooling fan for various household or industrial usage. - A good substitute air cooling fan for your broken or worn out one. - Suitable for computer chassis heat dissipation, CPU radiator, power supply fan, water cooling auxiliary heat dissipation, switching power supply heat dissipation, high reliability server, and etc. - It is manufactured with professional technology to ensure the product and can work for a long time. - Special design and it is in workmanship. It is the best replacement for your old, broken one. Specification Power supply: large male and female interface, support multiple fans in series Voltage: DC 12V : 0.5A Speed: : 154.5CFM Noise: about 55dB-A Bearing: High precision bearing Fan rotation direction: counterclockwise when viewed from the direction of the fan Operating temperature: - Celsius to +70 degrees Celsius Storage temperature: -40 degrees Celsius to +70 degrees Celsius Power supply range: plus or minus 15% of rated power supply Insulation resistance: greater than 500 megohms Withstand voltage: sink leakage 0.5mA 500V/1 minute Working life: at ambient temperature of Package list: 1 x computer fan