Features: Experience computer performances with DC12V 4Pin Fan Simulators, to simulate fan speeds from 2200 to 8300RPM, ensuring your systems remain cool and stable. This fan Simulators for durability and consistent operations, featuring 4Pin Connectors for easy integration with most computer systems. for enthusiasts and professional, this fan Simulators is tool for anyone to test or configure their computer cooling systems for actual fan. Whether you're setting up a server, building PC, or creating a Silents workstation, our fan Simulators provide a way to emulate fan signals and maintain systems functionality. Enhances your computers performances and stability with fan Simulators, ccessory that bridge the gaps between hardware testing and cooling. Specifications: Materials: Size:3x2x1cm Color: Redness, Green(optional) Package Includes: 1PC Fan Simulators note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.