The HID iCLASS Composite 30mil 16k/16 w/Prox Card is a high-quality access card that is ideal for security systems and access control. This card combines advanced iCLASS technology with prox functionality, allowing users to use both RFID and prox readers. The 30 mil thickness ensures durability and longevity, while the 16k/16 memory configuration provides ample storage capacity for a variety of applications. These cards are perfect for businesses looking for a reliable and flexible solution to their access needs. Combine these cards with rfIDEAS accessories and RFID readers for seamless integration into your security system.