Input Voltage: 12V Temperature measurement range: 0 C to 125 C PWM frequency: 25 kHz, which can adapt to most 12V adjustable speed fans on the market Temperature probe: a 10kb probe with a value of 39501%, and the temperature measurement is accurate Key benefits Automatic fan speed control: adjusts fan speed based on measured temperature to keep devices within safe operating temperatures, reducing noise and wear. Broad compatibility: designed to work with most 12V adjustablespeed fans, making integration straightforward across various systems. Accurate temperature sensing: the included temperature probe provides reliable readings to guide cooling performance. Easy integration in 12V systems: suitable for a wide range of applications without complex setup. What makes it stand out Clear 12V operation with a precise temperature range, enabling efficient and quiet cooling solutions. PWM at 25 kHz helps minimize audible noise while maintaining effective cooling performance. The dedicated temperature probe combination offers dependable monitoring to support consistent temperature control. Use scenarios computer cooling: connect to PC case fans to automatically adjust cooling in response to CPU/GPU temperatures, improving performance stability and reducing fan noise. 3D printer enclosure management: regulate enclosure and part cooling fans based on ambient and component temperatures to improve print quality and component longevity. Small electronics cabinet or home server: maintain safe operating temperatures for compact enclosures by dynamically adjusting fan speeds as temperatures change.