Features: This fan temperature controller automatically adjusts fan speed based on temperature, optimizing cooling efficiency, reducing noise, and extending fan lifespans for superior thermal management. Featuring wide compatibility with both 2 wire and 3 wire fans, stable 1.2A output for easy operations, easy installation via standard terminals, and a compact plastic design, it delivers seamless fan speed control in a lightweight package. Ideal for DIYer hobbyists and repair technicians who need efficient thermal regulation tools for DIYer projects or maintenance tasks. Designed for versatile placement inside or outside devices like PCs or electronics, it provides effective cooling integration without occupying space. Its miniature build and straightforward setup ensures easy implementation, enhancing systems performances through precise temperature based fan adjustments. Specifications: Component:ABS Input voltages: 5V/12V (optional) Initial temperature: 5V (start at 30°C, total automatic speed at 55°C) 12V (start at 30°C, total automatic speed at 55°C) Maximums power input: 1.2A Maximums unit power: 15W Working current: 1.5mA Package Includes: 1Set PC Fan Controller note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.