LT-300 RGB/DMX Controller, with users friendly LCD screen, is dedicated to control RGB color changes of LED lights with 4-pin, 3-channel cables(common anode),it has up to 36 models to select, and built-in a standard DMX512 decorder to receive universal DMX512 signal. It can work standalone or work with DMX512 devices to receive standard DMX512 signal. POWEr repeater can be added to expand power output unlimitedly when the power of one controller is not enough.