... indicator card1, Brief:humidity indicator card (also know as HIC, humidity indicator card, moisture indicator ) is a card on which a moisture-sensitive ... indicator cardone single dot : 8%,10%,50% 500pcs/can,three dots: 5%-10%-15%, 5%-10%-60%,10%-20%-30%, 20%-30%-40%, 30 ... %-50%, 40%-60%-80%.......four dots: 10%-40%, 20%-50%, 30%-60%.....six dots: 10%-60%.......any printing, size and RH can ...