1. Rigid mechanical structure: This motor speed controller has a rigid mechanical structure that provides stable support and protection, ensuring the normal operation of the motor. Its compact size and easy installation suitable for DC motor speed control applications. 2. Wide input voltage range: The DC motor controller module supports an input voltage range of DC10-55V, making it suitable for different voltage applications such as 12V-48V. 3. Precise speed control with current adjustment: The motor governor driver module adopts current adjustment to regulate speed, using a potentiometer (linear) for precise speed control within the 0- range. 4. Digital display function: The DC10-55V voltage regulator features a digital display function that shows the motor's full speed percentage, enabling users to understand the motor's operating state conveniently. Note that the displayed value is not the actual speed of the motor. Motor Type: DC Motor Model Number: DC Motor Speed Controller Mechanical Rigidity: Rigid Input voltage: DC10-55V Output voltage: Linear under load Output current: 0-100A Speed regulation type: Flow regulation Speed regulation mode: Potentiometer (linear) Speed range: 0- Control frequency: 15KHZ Wiring Type: Terminal Knob specification: 100K (with switch) Color: As Shown Material: FR4+ Electronic Components Package Contents: 1 x DC motor speed controller 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.