The 6-point SMD humidity indicator card is a must-have tool for anyone concerned about moisture levels in their home. This card changes color from blue to pink, providing a clear visual indication of humidity To use, place the card inside the packaging, and it will continuously measure and display the humidity levels, making it an essential tool for moisture control. Features -Color:Multi -Material:Paper -Size:10.00X3.80X0.10cm/3.93X1.49X0.04in -Product specifications: 10%-20%-30%-40%-50%-60% -Precision technology: features smd technology for accurate humidity monitoring, ensuring reliable performance in various settings -Convenient integration: easily integrates into pcb packaging, simplifying the installation process and enhancing user experience -Clear visual indicator: the card changes color from blue to pink, providing an easytoread visual indication of humidity levels -Reusable: designed for multiple uses, this humidity indicator card offers a sustainable and practicable solution -Wide application range: suitable for diverse humidity monitoring needs, including storage, electronic devices, and more Package list: 10 x humidity indicator cards