1. [Real Time Voltage Display] This speed controller features a display that shows the real time output voltage, making the working voltage of the machine clear at a glance. 2. [Automatic Shutdown Protection] The switch automatically cuts off power when the instantaneous current exceeds MAX, ensuring safety during operation. 3. [Convenient Indicator Light] The speed regulator comes with indicator light, providing a visual cue and indicating the operational status for added convenience. 4. [Multi Functions] This electronic voltage regulator has versatile applications, including speed control, voltage regulation, temperature adjustment, light dimming, and more. 5. [Safe Material] Made with premium plastic shell, this speed controller is hard wearing, heat , flame retardant, reliable for long term use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Colour:As Shown Material:plastic Package Contents: 1 * Speed controller 1 * Hook 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection 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.