KEYFANCLUB 120mm PC Fans 4-Pack, 12V Computer Fans with DC 3-12v to AC 100-240V Power Adapter Dual Ball Bearing for Router Laptop DVR Xbox Receiver Cabinet PlayStation Modem Cooling

Complete Cooling Kit with Universal Power SupplyThis all-in-one package includes everything you need: 4 high-airflow 120mm fans, a wide-voltage AC/DC power adapter (100-240V AC to 12V DC), and a speed controller. The universal input voltage makes it perfect for use worldwide ^^ Adjustable Speed for Customized CoolingTake full control of your airflow and noise levels with the included PWM (or DC) speed controller. Easily adjust the fan speed from a quiet breeze to a powerful 2000 RPM wind, tailoring the cooling performance to your exact needs ^^ Durable & Reliable Ball BearingsEngineered with long-life ball bearings, these fans are built for extended operation and superior durability compared to sleeve bearings. They are ideal for continuous use in various orientations, providing consistent and reliable performance ^^ Versatile Multi-Fan ApplicationsPerfect for a wide range of DIY cooling projects. Effectively cool down computer cases, server racks, entertainment centers, 3D printer enclosures, workbenches, or any enclosed space that requires efficient airflow and heat dissipation ^^ Easy Installation & Ready to UseThe fans are designed for straightforward setup. Simply connect them to the controller and power adapter, plug into any wall outlet, and experience instant, powerful cooling. No complex wiring or internal PC power connections are required