1. Speed Control Knob: This knob adjusts motor speed with real-time display. 2. Features compact size, high precision, wide speed control range, and long service life. 3. The controller uses high-quality electronic circuits and integrated components for durability. 4. Widely used in packaging, printing, food, electronics, instruments, and clothing industry production lines as a speed drive device. Default output: 50% Control range: 0%100% Control accuracy: 1% Control output: SCR Output type: Direct output Rated power: 500W Power-off save: No Output voltage: AC 220V Operation: Press and hold the encoder while powering on to set the minimum output; for example, to set 20%, press and hold the encoder while powering on, adjust to the desired minimum value, then press the encoder to confirm and exit. Type: ZFX-P1007A Color: White Material: Plastic Package Contents: 1 x Speed Controller Note: Other items not included. Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 13 cm.