... lights long lifespan, low consumption 12-key Infrared LED DimmerSummarization 12-key Infrared Dimmer Is a dedicated intelligent LED lighting dimmer ... , easy wiring, simple to use etc.; Through the infrared remote control and dimmers on the knob to adjust brightness ... power; 2. When operation, the remote control facing the infrared receiver, ensure that there are no obstructions between remote controller ...