... , LED, especially military and semiconductor Air Humidity indicator card 6 dots Cobalt-Free Specification TypeColors changed from dry to wetSpec.Common ... card One single DOT: 8%, 10%, 50% 500PCS/can, Three dots: 5%-10%-15%, 5%-10%-60%, 10%-20%-30%, 20 ... be made by customers' needs Usage Directionsa) The humidity indicator dots will change color as the relative humidity increases in the ...