Screw onto valve stem, when wheel is in motion, TIRELIGHTS will then automatically light up!
Durable, high impact, water & rust resistant.
Increases nighttime & bad weather visibility for safety.
Come with 1 set of spare batteries replacement.
Light-up mode: 7 different colors to choose from, plus a "Rainbow" mode.
Material: PS
Operation: 3PCS Button Cell(LR1130)
Product size: 16MM(Diameter)*40MM(Height)
Packing: 2PCS/blister card, 16card/inner, 256card/outer
Inner CTN Size: 16*13*18.2cm
Outer CTN Size: 53.5*33*38CM
G. W/N. W: 12/11kgs