- Automatic temperature control regulator with adjustable speed settings ensures optimal fan performance based on temperature needs. - Equipped with a high-temperature alarm for immediate notifications, preventing overheating and potential damage. - Compatible with all 12V 4A fans, featuring a synchronous rectifier output for high efficiency and reduced energy consumption. - Capable of handling multiple fans in parallel, with a total current limit of 5A, eliminating the need for additional heat sinks even during high current operation. - Offers both automatic temperature control and manual speed adjustment, allowing for customized cooling solutions. - Four distinct temperature zones can be set up for precise temperature regulation, making it versatile for various applications. Use Cases: 1. Ideal for PC builds where CPU cooling is critical, ensuring that fans operate efficiently to maintain optimal temperatures. 2. Perfect for 3D printers or gaming consoles, where heat management is essential for performance and longevity. 3. Suitable for home automation projects, allowing users to maintain a comfortable environment by controlling fan speeds based on ambient temperature. This 12V PC CPU 4 Wire Fan Temperature Control PWM Speed Control Module comes complete with an alarm, buzzer, and temperature sensor, providing a comprehensive solution for effective thermal management.