Features: <br> <br>Speed Control Knob: This knob can adjust motor speed and display in real time. <br>There are 16 controllers in different types, you can choose the one you need. <br>You can accelerate or decelerate motor slowly with this speed control unit. <br>Built-in operating capacitor, convenient to use. <br>Main wire: Black; Capacitor wire: Red, White; Feedback wire: Blue, Yellow; Earth wire: Green. <br> <br>Specification: <br>Input Voltage: AC 220V <br>Speed Adjustable Range: 0-100% <br>Optional Type: <br> <br>6W Single Row 6 Pin <br>15W Single Row 6 Pin <br>25W Single Row 6 Pin <br>40W Single Row 6 Pin <br>60W Single Row 6 Pin <br>90W Single Row 6 Pin <br>120W Single Row 6 Pin <br>200W Single Row 6 Pin <br>6W Double Row A Port <br>15W Double Row A Port <br>25W Double Row A Port <br>40W Double Row A Port <br>60W Double Row A Port <br>90W Double Row A Port <br>120W Double Row A Port <br>200W Double Row A Port <br>Size: Approx. 10*10*5cm/3.9*3.9*2inch <br>Weight: Approx. 327g / 11.5oz <br> <br>Package List: <br> <br>1 x Motor Speed Controller <br> <br> <br>Note: Do NOT plug or unplug when power on.<br>1、Speed Control Knob: This knob can adjust motor speed and display in real time <br>2、There are 16 controllers in different types, you can choose the one you need <br>3、You can accelerate or decelerate motor slowly with this speed control unit <br>4、Built?in operating capacitor, convenient to use <br>5、Main wire: Black; Capacitor wire: Red, White; Feedback wire: Blue, Yellow; Earth wire: Green