This is a simple and easy-to-use DC motor speed controller, small in size, elegant in appearance, and stable in performance. Made with a high-quality circuit board ensuring a longer service life. The current can be adjusted from 0A to 30A, which is quite convenient to set. Features: The speed controller is made with a high-quality circuit board for a longer lifespan. This simple and easy-to-use DC motor speed controller boasts stable performance. The output current can be adjusted from 0A to 30A, and it's easy to set. Designed with a digital display showing the speed as a percentage of actual speed to maximum speed. This motor speed controller uses screw terminals for convenient and quick wiring. The regulator's positive and negative poles must be connected correctly, otherwise, the product may be damaged. The regulator's input voltage should preferably be the same as the motor's rated voltage. Specifications: Input Voltage: DC6V-60V Output Voltage: Linear with load (voltage drop at the motor's 2 terminals) Output Current: 0A-30A Continuous Current: