1. Adopting PWM pulse width modulation technology to achieve precise stepless speed regulation, smooth operation, and low noise 2. Equipped with a remote control and digital display interface, the speed control operation is convenient and intuitive, and the fan speed can be remotely set 3. Integrated PD and QC fast charging technology, capable of using fast charging protocol power supply for power supply 4. Compact structure, supports multiple installation methods, suitable for various DIY scenarios 5. The remote control needs to be used facing the screen, with a distance of approximately 10 meters Remote control signal: infrared signal Supported power: 60W Fan interface: 4Pin (KF2510) Speed regulation method: PWM Specifications:Type C Power supply mode: PD/QC fast charging protocol takes 12V Output voltage: 12V Output voltage: Only supports fast charging protocol power supplies with clearly labeled "12V" output, such as fast charging mobile power and fast charging power adapters Color:Black Material:plastic Package Contents: 1 * Speed Controller 1 * Remote Control 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.