Welcome to the store! 1. 4-digit scale, 0-9990 can be set arbitrarily. Upgraded encoder adjustment to avoid interference from external factors such as temperature and humidity 2. Soft start and soft stop, double protection for motor and power supply. Lower limit for speed, limits the minimum speed 3. Knob and button speed control, suitable for people with different tactile sensations. Speed regulation increment value, 1, 2, 5, 10, 15, 20, 25, 50, 100 4. Four start modes for more varied operation. Memory function upon power failure, once set for long-term use 5. Digital display menu, easy and quick to change settings. Integrated body for a more exquisite appearance. Embedded encoder adjustment, strong resistance to dryness, durability, and precise adjustment. Wide voltage range 6-55V Input Voltage: DC 6-55V Display: 4-digit digital tube Speed Regulation Type: Current Regulation Control Frequency: 15KHZ Supported Load: DC brushless motor Wiring Type: fence type terminal Encoder Cap: 15x17mm Speed Regulation: button + encoder Maximum Current: 30A (does not have forward and reverse functions) Color: Blue & Black Material: Plastic Size: 77mm x 57mm x 38mm, Opening Size: 72mm x 52mm Package Contents: 1 * Regulator 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 to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!