Designed for 12V 4-wire PWM fan/pump. Built-in DC-DC booster circuit. PWM duty cycle (0-100%). Small 4-PIN outlet. Input is TYPE-C female port, perfectly compatible with TYPE-C port charger (PD). DC Fan Controller,Pwm Controller,PWM Governor Fan Speed Regulation Small Type-C Port 4Pin 4-wire Fan Pump Speed Controller for DIY Water Cooling Heat Dissipation Specification: Input voltage: 5V Output voltage: 12V PWM frequency: about 25KHz Output current: rated 0.5A/maximum 0.7A Case material: PLA+ Input port: USB TYPE-C female port Output: PWM 4Pin Speed range: PWM duty cycle 0-100% Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Please allow 1-3cm differences due to manual measurement. Package Includes: 1x PWM Governor 1x Input Cable or 1x PWM Governor 1x Input Cable 1x 1 to 2 Output Cable or 1x PWM Governor 1x Input Cable 1x 1 to 3 Output Cable