Advanced DC12V PWM Fan Controller for enhanced cooling efficiency. Precise digital LED display for real-time temperature monitoring and fan speed adjustment. Intuitive 4-wire connection for seamless integration with most fan systems. Adjustable fan speed settings to optimize cooling performance and minimize noise levels. construction designed for easy installation in various electronic systems. This compact fan controller is perfect for computer cases, home theater systems, and other electronics requiring controlled cooling. It includes a sensitive temperature sensor that provides accurate readings, allowing users to maintain optimal operating conditions. The straightforward installation process ensures compatibility with a wide range of fan systems, making it an ideal choice for enhancing cooling efficiency in various applications. Color: Black Material: plastic Package Contents: 1*temperature control speed regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.