Our HID 2000 i-CLASS Smart Cards with 2K Bits & 2 Application Areas employ secure iClass technology, delivering exceptional authentication, safe data transfer, and a 64-bit read/write card capacity. These cards come in packs of 100, are CR80 card size (86mm x 54mm), and are compatible with most ID card printers. Please keep in mind that after placing your order, our team will contact you to collect the card format, facility code, and number range you require.HID 2000 i-CLASS Smart Cards with 2K Bits & 2 Application AreasSecure iClass technology for exceptional authentication and safe data transfer64-bit read/write card capacity