3 Dots High Quality Humidity Indicator Sticker

3 Dots High Quality Humidity Indicator Sticker

Humidity Indicator Cards are small, paper instruments designed to monitor relative humidity levels. These 3 spot cards are reversible and constantly indicate relative humidities as low as 30 percent and as high as 50 percent, they change from Blue (dry) to Pink (humid).

Specifications:

• Printing: Standard

• Indicating Spots: 30 - 50 % RH

• Material: Paper

• Dimensions: 78*52mm