1、Elaborate Making: Small in size, which is convenient to carry arround with you, and with high accuracy, wide speed range 2、Durable Structure: The controller uses electronic circuits and integrated components, which has a long service life 3、Excellent Efficiency: Wiring is simple and easy to understand, easy to install, save time and improve efficiency 4、Adjustable Voltage: Because the knob is adjustable, the voltage can be adjusted freely, which is convenient and simple 5、Classic Appearance: After beening carefully crafting, not only having a classic appearance, but also has a high cost performance Item Type: Motor Speed Pinpoint Regulator Material: ABS Working Voltage: AC 220V Connector: 6 Pin Ambient Temperature:-10 ~ + 50℃ Uses: Suitable for speed regulating drive devices for production lines in packaging, printing, food, electronics, instrumentation, medical equipment, and clothing industries 1 x Motor Speed Pinpoint Regulator