Feature function: 1. Automatically adapt to LED light which works from DC5V-24V or DC12V-24V. 2.4096 levels of grey scale per RGB even & smooth for color gradual changes, without any flashes. 3.36 fantastic modes such as color smooth, color skipping, horse race, strobe, etc. 4. Can choose a changing speed and brightness in a certain mode independently. 5. Can stop at static single color, speed & brightness adjustable at pause status. 6. Working with power repeater to expand power output unlimitedly.