Description <br> Speed Control Knob: This knob can adjust motor speed and display in real time. <br> There are 5 controllers in different power and you can choose the one you need. <br> It has compact size, high precision, wide speed controlling range, and long service life. <br> Built-in capacitor, supporting CW/CCW rotation. <br> Widely used in packaging, printing, food, electronics, inst ents, clothing industry production line for speed drive device. <br> <br> Connect COM and CW, the motor rotates in forward direction; connect COM and CCW, the motor rotates in reverse direction. <br> Specification: <br> Model: UX-52 <br> Input Voltage: AC 220V 50Hz <br> Optional Power: 15W, 60W, 120W, 250W, 400W <br> Output Speed: 0-1450rpm <br> Speed Adjustable Range: 0-1450rpm <br> Operation Mode: Manual Precision <br> Speed Change Rate: less than or equal to 2 <br> Steady Speed Precision: 10 <br> Port: Pin <br> Size: Approx. 10 x 10cm/3.9 x 3.9inch <br> Weight: Approx. 322g / 11.4oz <br> Colour: Black <br> Material: ABS <br> <br> Package Contents: <br> 1 x Motor Speed Controller <br> <br> Only the above package content, other products are not included. <br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>