30A LED Dimming Controller Adjustable Brightness Dimmer Controller PWM Digital Stepless Dimming for Lamp Strip Single Color Lamp. Feature: Adjustable Brightness Dimmer: 0~100% brightness adjustable. PWM Digital Dimming: Avoid rush current, protect your LED lights. Scope of Application: Car, RV, yacht, home, commercial and other lighting decoration. Applicable Light Strip: The dimmer is mainly used to adjust the single color LED lighting/light strip, single color 5050 3528 light strip.