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