Description The chip cards are convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. These chip cards are very practical and reliable for your needs. Features - Color: As Shown -Material:PVC, copper - Size: 8.40X5.40X0.10cm/3.30X2.12X0.04in -Chip:at24c02 -Memory capacity: 2k - High memory capacity: Equipped with chip, 2k memory capacity, providing sufficient storage space for access control systems. - White shell, ensuring stable and reliable performance in various environments. - Easy to use: Simple and convenient installation, easy to use, suitable for various access control systems. - Wide range of applications: In addition to access control systems, it can also be used in smart room, smart parking lots and other fields. - Small and compact size, light in weight, you can carry and use it wherever you go. Package list: 12 x IC cards