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 10A, 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 PC shell, this speed controller is hard wearing, heat resistant, flame retardant, reliable for long term use. Item Type: Motor Speed Controller Material: PC Current: Maximum 18A (Overload Protection 10A) 1 x Motor Speed Controller 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.