Feature:1. COMPATIBLE: This computer case fan has a standard 12CM size, compatible with all types of chassis, suitable for water cooling systems, CPU coolers and so on.2. INNOVATIVE DESIGN: Five colors on each computer case fan. This innovative design makes your computer colorful and full of personality. And side panel MOD lighting effects for different visual effects at different angles and lighting effects.3. LONG LIFE: This computer case fan is designed with a closed hydraulic circuit, which can last up to 30,000 hours, providing you with a longer lasting service.4. HEAT DISSIPATION, QUIETNESS: Designed with 9 fan blades and the fan frame is cut down on the outside and inside to generate a large amount of wind and transfer heat efficiently. The corner break design of the fan blades reduces noise and increases air pressure.5. POLISHED PROCESSED: The fan blades are polished to make them less likely to stick to dust, keeping the fan clean and reducing the impact of dust on fan performance.Specification:Item Type: Computer Case FanMaterial: ABSRotation Speed: 1200RPMNoise: 25dbService Life: 30000hSize: 12cm / 4.7in.Package List:1 x Computer Case Fan4 x Screw