... -color, 2,Energt-saving,environmental protection,no flash 3,Patent No,:ZL201130031832.7 *Original clever optical design, ... and easy to carry, wide range of applications. * With the product delivery USB charging cable, DC-side diameter of ... 3.5MM. *Patent NO:ZL201130031832.7 Packing Details: ... :14kg*N.W:13kg Energy-saving led lamp with double light effect