cross-border battery box usb copper wire lighting chain cake gift box christmas decoration led string lamp copper wire colored lights factory customization

warm white pure white green color purple

two sections of constant light 1 m 10 lights two sections of constant light 2 m 20 lights two sections of constant light 3 m 30 lights three-section constant light with flash 2 m 20 lights three-section constant light with flash 3 m 30 lights three-section constant light with flash 10 m 100 lights 30 m 300 light three sections 8 functions waterproof battery box + remote control