BoxSize:65*30*381LED單閃燈two13thbuttonbatteries500PCS/10KG 5cm*1.CMSuitablefor:bicycle,jobing,climbing,babycar,disable-car,Especiallyforthechildren,blindmen,oldmen,inthemorningorevening,andthecloudyday,whenthebrightisnotenough,toincreasemoresafety.Thesafetystobelightiseasytoseefromupto50feet,ensuringyoursafetyandthesafetyofyourlovedones,easilyclipsontobelt,waist,keychain,bike,backpack,purseorstroller.Putonchildforeveningwalks.Greatforanynighttimeactivities.LongLastingandAroundFlashingand120 ViewAngleandFLashingAndConstantandHighintensiveLighting