About this item Speed Controllable Easy Cloud 120 mm case fan allows you to freely adjust the fan speed according to your needs. This flexibility allows you to adjust fan operation to a level that best suits your environment, whether you require powerful cooling or a quiet work environment AC Plug Dual-ball bearings have a lifespan of 50,000 hours. Easy Cloud 120mm computer fan comes with 3V to 12V multi-speed controller, increases maximum fan speed and powers the fan from an AC outlet. Just plug it into an outlet and start the computer cooling fan Applicability Designed to meet the cooling and ventilation needs of a variety of devices, including pcs, game consoles, appliances, entertainment equipment, solar equipment and more, this computer cooling fan provides effective silent cooling and is also an ideal replacement for your existing fan. No matter what type of equipment you have, this case fan ensures it stays at the right operating temperature, improving performance and extending life Parameter 120 x 120 x 25 mm ( 4.72 x 4.72 x 0.98 inches. ) | Rated Voltage: 12V | Airflow: 95.8 ±10%CFM | Rated Current: 0.3A | Bearings: Dual Ball | Speed: 700RPM to 2800RPM | Power: 3.3W | Noise: ＜41dB Customer Support We strive to offer the excellent services out of your expectations. If you have any problems with our product, please feel free to contact us at anytime.