The video introduces a 15 Watts, DALI constant current LED driver for you. The feature of this driver is that it can drive low-power lamp modules, such as 2.5 voltage lamp. Another feature is that the dimming level can reach 0.01% of the full range. This dimming depth is different from the previous 0.1% dimming level products; it can be smoother dimming to 0.01%. These are the two most important features of a 15 Watts DALI power supply.