Features: Achieve precise motor speed adjustment with the PWM Speed Controller. This versatile controller is suitable for a wide range of applications and can be easily customized to meet your specific needs. Perfect for hobbyists, researcher, and professionals who require flexible motor speed adjustment. Enhances your projects with this user friendly speed controller, ensuring smooth operate. From robotics to experimental setups, this speed controller offer accurate motor speed management. Specifications: Material: Metal Voltage: DC10-50V Power: 0.01-3000W PWM Duty Cycle: 0%~100% PWM Frequency: 15khz Working Temperature: -20 to 40℃ Size: About. 14.6x8x3.8cm/5.75x3.15x1.5in Package Includes: 1 Set Speed Controller note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.