Features: Precise Thermal Adjustment: The EMC2101 I2C PC cooling component provides 1°C accuracy for both integrated and additional thermal monitoring, ensuring efficient heat removal for your devices with variable speed adjustment. Broad Cooling Device Compatibility: to work seamlessly with common 3 or 4 wire computer cooling devices, this controller manages power supply, speed adjustment, and rotation monitoring through I2C communication, simplifying thermal configuration. quickness Adjustment: Configure preset response biographies to automatically change cooling device speeds based on temperature readings, reducing noise while maintaining proper thermal control. Compact and Energy Saving: With low power usage and small size, the EMC2101 is perfect for space constrained projects requiring stable and quiet thermal regulation. Easy Integration: Operating within 3.3V 5V power requirements, this combined monitor controller simplifies cooling device usage in electronics projects, existing configurations, or noise sensitive applications without extra components. Specifications: Materials: Plastic Size: 25.5x18mm Working voltages: DC3.3V-5V Package Includes: 1PC EMC2101 Fan Speed Module 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 Pictures may not reflect the actual of the item.