1,change color between white color muti-color, 2,Energt-saving,environmental protection,no flash 3,Patent No,:ZL201130031832.7 ... wick crystal clear and extraordinary texture. *LED energy saving lamps, flash frequency, not to hurt the eyes, ... wide range of applications. * With the product delivery USB charging cable, DC-side diameter of 3.5MM. ... *N.W:13kg Energy-saving led lamp with double light effect