价格:未填
供应:99999
发货:3天内
功能(Feature): A.书写,文字图象不可见(Afterwritingormarkingwiththecombination,thewordsareinvisible) B.用UV灯照射后,该隐形的文字图象可见(ThewordsorsealjustcanbeseenundertheUVlight) C.用于验钞(Checkforcounterfeitmoneywithpenlight) D.用做电筒(Usedasaflashlight)