Feature: 1. Four Wire Fan Control: This temperature detection control module is a PWM 4 wire fan temperature controller, which supports EC four wire fan control, very practical. 2. Low Temperature Shutdown: This control module can do wide voltage operation and support low temperature shutdown fan, which can be used for a long time under normal operation and use. 3. Temperature and Humidity Range: The working temperature of this control module is in ‑25℃‑85℃, the working humidity is in 5%‑95% RH, the temperature measurement range is in ‑9.9℃‑99.9℃, with excellent performance. 4. PCB Material: Our control module is made of PCB with exquisite craftsmanship, durable, can adapt to the user's environment, professional craftsmanship, and long service life. 5. Applicable Scene: This control module has a wider range of application and can be used for industrial fans, but also for PC based fans and alarms, etc. It is very useful. Specification: Item Type: PWM Driver Module Material: PCB Operating Voltage: 12V PWM Range: 5% - 100% Temperature Measurement Range: -9.9℃ - 99.9℃ Operating Temperature: -25℃ - 85℃ Operating Humidity: 5% - 95%RH . Package List: 1 x PWM Driver Module1 x Probe Note: Pay attention to correct operation.