... . There are 2 led light for selection: red and blue.5. common packing and metal box packing for selection, the packing can also ... carton, this packing way make products looks top grade.8. quality assurance and competitive price9. Red,Yellow,Blue,Black,White,Green ... exchange of goods. Items returned after 7 days of receiving is just for repairing.To maintain quality control we do personally inspect ...