... moving on day and at night.Color of fiber stick:blue,green,red,yellow for your option.Material:zinc alloySize:15 ... function better than others .=============led tire light,bicycle flashing light plastic tube color:blue,green,red,yellow for your optioninside LED lamp ... : blue ,green , red , yellow according plastic tube color .packing list :2pc/blister pack ,600pc/ctn, 64×35.5×24cm ,15kg LED bicycle ...