... vest A,shining mode: on,off B, LED light: 11PCS on front,11PCS on back C.power: 2X1.5 volt battery ... . Reflective LED safety vest Products description Reflective materialReflective prism pvcmaterialpolyster meshprintsilk screen ... ,Hongkong,Taiwan,china market Main products: reflective vest,reflective LED vest,reflective wrist band,reflective LED wrist band,reflective ...