Product Description 1. **[Forward/Reverse Switching]** The DC motor speed controller is equipped with a forward/reverse switching switch, allowing for easy and flexible switching between forward and reverse directions as needed. 2. **[Precise Speed Monitoring]** This digital motor speed controller features an analog tachometer that accurately displays motor speed, helping users monitor motor performance. 3. **[Clear Digital Display]** Utilizing a 4-digit digital tube display, the output is clear and easy to read, facilitating efficient tracking of motor performance. 4. **[Easy Operation]** The motor drive controller employs a simple operation method, allowing for quick and easy speed adjustment via buttons and knobs. 5. **[Wide Voltage Input]** Supports a wide input voltage range of 10 to 55V DC, meeting various application needs and offering wide applicability. 1 x DC Motor Speed Controller 1 x User Manual Product Type: DC Motor Speed Controller Material: ABS Maximum Current: 40A Display Method: 4-digit Digital Tube Speed Control Method: Current Speed Control Speed Control Method: Buttons and Knobs Control Frequency: 15kHz Forward/Reverse: Bidirectional Wiring Method: Fence Terminal Block