Made of high quality ABS and electronic components, the laptop heat dissipation fan has high performance. It has features of low noise and great coolness. With the simple structure, it is easy to install. You can adjust the air volume. Item Name: Radiator Material: ABS, Electronic Components Speed: 1800-4200±10% RPM Rated Speed: 1350rpm±10% Airflow: 109.3CFM±10% Nominal Voltage: 5V DC Current: 0.4±10% Bearing Type: Double Ball Bearing Noise: 15dB (Minimum) Features: Low Noise, Easy to Install, Heat Dissipation Cable Length: 50cm/19.69" (Approx.) Size: 168mm x 83mm x 48mm/6.61" x 3.27" x 1.89" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Radiator 1 x USB Cable 3 x Air Guide Sleeves 1 x Anti-slip Pad 1 x Tape