Features: This 80MM or 120MM PC fan features intelligent temperature control, adjusting its speed from 3500RPM or 2000RPM for efficient cooling. Crafted with plastic and metal materials, this cooling fan is suitable for various electronic devices like routers, set top, and industrial computer. Catering to individuals to prevent overheating, this 12V cooling fan is suitable for enthusiasts and gamers to cool their devices. Perfect for desktop computer, routers, set top, and consoles, this fan provides effective heat dissipation for extended use. Equipped with temperature and oil bearing technology, this cooling fan offer customizable cooling solution for wide electronic devices, ensuring smooth performances. Specifications: Input AC100-240V50 or 60Hz Output 121A Total length of power cord about 110cm Fan Type: 8cm or 3.15in 12CM or 4.92in Fan Height:about 5.0cm or 1.97in 8cm fan power 3.0W Speed 3500RPM Airflows 44CFM 12cm fan power 3.6W Speed 2000RPM Airflows 68CFM Oil bearing Note: Due to the problem of lighting effects and shooting there might be tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment. Package includes: 1Set 12V1A Temperature Control Cooling Fan