Features: Keep your electronic devices cool and running smoothly with this versatile 12V single fan cooling system, complete with adjustment power supply. With a powerful DC3-12V output and adjustment fan speed up to 2000RPM, this cooling fan is perfect for use with Modems, TV Boxes, Receivers, DVRs and more. The oil-bearing design ensures long-lasting performances and low noise operation. Ideal- for electronics enthusiasts, gamers, and anyone who wants to keep their devices running at optimal temperature. Whether you're gaming, streaming, or working on important projects, this cooling fan provides reliable and effective cooling to help prevent overheating and damage to your devices. Specifications: Power Input :AC100-240V 50/60hz Output: for DC3-12V 200-2000mA Fan Size: approx 12x12x5cm/4.72/4.72x1.97in Speed: 2000RPM Adapter: US/EU Standard Package Includes: 1 Set x 12CM Fan with Adapter note: Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Due to manual measurement, please allow error of 0-1cm. Please make sure you- do not mind before bidding. Only the cooling fan, does not include other accessories in the picture.