Feature: 1. Silent Cooling Fan: Features ball bearing design to absorb vibrations at high speed, ensuring noise is as low as 43.6dBA, like the sound of falling leaves. Suitable for work or gaming without noise disturbances 2. Double Ball Bearings: Equipped with double ball bearings, this cooling fan resists to high temperatures and designed for 24 hour continuous working, offering a bearing lifespan exceeding 50000 hours 3. 3 Gears Adjustment: Comes with a remote control that allows for 3 adjustable modes, silent, balanced, and performance, enabling you to tailor fan speed according to your environment, with wind speeds reaching up to 3000RPM for reduced noise 4. 7 Leaves Design: Boasts seven high pressure fan leaves capable of delivering an airflow of 109.05CFM at 3000RPM. This PC case fan focuses on enhanced performance, providing stable air pressure and powerful air volume 5. Easy Installation: Compatibility with all types of PC cases and simple installation. The fan features a user friendly power interface for easy setup. With 105mm screw hole spacing and 148mm diagonal hole spacing Specification: Item Type: Cooling Fan Material: LCP Color: Black Remote Controller Battery: 160mAh CR2025 Battery (Built in) Fan Size: Approx. 120 x 120 x 30mm / 4.7 x 4.7 x 1.2in Bearing Type: Double Ball Bearings Rated Voltage: 12V Rated Current: 0.33A±0.02% Rated Speed: 3000RPM±10% Airflow: 109.05CFM Noise: 43.6dBA Interface: 4PIN PWM Screw Hole Spacing: Approx. 105mm / 4.1in Diagonal Hole Spacing: Approx. 148mm / 5.8in. Package List: 1 x Cooling Fan 4 x Long Screws 4 x Short Screws 1 x 4PIN Extension Cable 1 x Remote Controller