... hours 4, OEM Humidity indicator card:1, Humidity indicator card (also know as HIC, humidity indicator card, moisture indicator ) is a card ... , IC, LED, especially military and semiconductor Features: Humidity indicator card 1, Lead-free RoHS compliant 2, reversible color ... synthetic material, protective packaging. Standard packing:250PCS of humidity indicator cards to a can, 3000PCS to a carton Cobalt ...