- Features MCU digital control technology for precise speed control and stable performance. - Digital display with menu options for quick and convenient setting adjustments. Display brightness and target value conversion are user-configurable. - Supports smooth acceleration and deceleration. Operation via front-panel controls or external switch. Panel knob auto-scales to maximum speed for intuitive adjustment and safe operation. - Built-in block-protection function prevents motor and controller damage during stall conditions. - Includes cyclic operation mode. Specifications: - Main Color: Black - Voltage: AC 220V - Motor Output: 400W - Speed Regulation Range: 90–1400 RPM Dimensions: 9 × 10 × 6 cm (3.54 × 3.94 × 2.36 inches) Package Includes: - 1 × Speed Controller with Digital Display Note: - Slight measurement variations may occur due to manual measurement. - Screen and lighting conditions may cause minor color differences between images and the actual product. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-SHANGBS trading