... indicatorone single dot : 8%,10%,40%,50% ,60%,500pcs/can, three dots: 5%-10%-15%, 5%-10%-60%,10%-20%- ... six dots: 10%-60%....... OEM services allowed 4, Application Printed Circuit Board,PCB, LED, SMD LED, IC, electronic packaging , optical equipment ... , metal products , Organic materials, synthetic material , protective packaging......5,Standard packing 250pcs of humidity indicators to a can, 3000pcs ...