This versatile power supply and speed control system is designed for optimal fan operation. It features a plug-and-play setup, allowing easy connection directly into the fan's terminals. The included speed controller lets you adjust the fan speed by simply plugging it into a wall outlet. Each unit includes a switch for convenient operation and is for easy handling. Efficient Cooling Mechanism: Equipped with a high-speed 3000RPM motor, this 120mm fan provides exceptional airflow to keep your server, workstation, or BTC machine chassis cool under heavy operational conditions. The efficient design ensures optimal performance while maintaining system stability. Versatile Power Compatibility: Designed to operate on both 12V and 220V power sources, this fan offers flexibility for various setups and geographical locations. Whether you're setting up a home server or a professional data center, this fan adjusts seamlessly to your power requirements. Voltage: AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Color: As shown Material: PBT Plastic Package Contents: 1 x small exhaust fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.