Features: 1. Designed with a digital display panel for easy reading and convenient setting of speed adjustment. 2. This is a simple and easy-to-use DC motor speed controller of small size, stable performance. 3. Easy to operate, can reduce the mechanical stress on the motor and shaft. 4. Suitable for DC brush motor speed control. 5. Acceleration and deceleration value setting: For example, the setting parameters are 001, 002, 005, 010, 015, 020, 025. Each time you press the plus or minus button, the speed changes by 1%, 2%, 5%, 10%, 15%, 20%, 25%. Specification: Condition: 100% Brand New Item Type: Motor Speed Controller Input Voltage: DC 9-60V (Include 9V 12V 24V 36V 48V 60V ) Output Voltage: Linear Under Load Output Current: 0-10A Continuous Current: 6A Speed Range: 0%--100% Control Frequency: 21Khz Speed Control Mode: Button Digital Positioning: 0-100 (Percentage) Wiring Type: Wire Support Motor: DC Brush Motor Package List: 1 * Motor Speed Controller Wiring Method: NO Color Signal 1 Red Power + 2 Black Power - 3 Blue Motor + 4 Green Motor - 1、Designed with a digital display panel for easy reading and convenient setting of speed adjustment. 2、This is a simple and easy-to-use DC motor speed controller of small size, stable performance. 3、Easy to operate, can reduce the mechanical stress on the motor and shaft. 4、Suitable for DC brush motor speed control. 5、Acceleration and deceleration value setting: For example, the setting parameters are 001, 002, 005, 010, 015, 020, 025. Each time you press the plus or minus button, the speed changes by 1%, 2%, 5%, 10%, 15%, 20%, 25%.