1,change color between white color muti-color, 2,Energt-saving,environmental protection,no flash 3,Patent No,:ZL201130031832.7 *Original clever optical ... the product delivery USB charging cable, DC-side diameter of 3.5MM. *Patent NO:ZL201130031832.7 Packing Details: *QTY:50 pcs ... .5*44cm*G.W:14kg*N.W:13kg Energy-saving led lamp with double light effect