The iCLASS Key II provides the security and convenience of iCLASS 13.56 Mhz contactless smart card technology in a molded plastic key fob that is durable in harsh environments. This smart card credential can be placed on a key ring or lanyard for access control applications that do not require a Photo ID.iCLASS smart card technology was specifically designed to make access control more powerful, more versatile, and more secure. iCLASS 13.56 MHz read/write contactless smart card technology with mutual authentication provides versatile interoperability in applications such as access control, network log-on security, cashless vending, time and attendance, event management and biometric identification.iCLASS technology ensures high security with mutual authentication between card and reader, encrypted data transfer, and 64-bit diversified keys for read/write capabilities. Securely separated files enable multiple applications and support future growth.Key Features of the 205x iCLASS Key II Contactless Smart Key:- The power of iCLASS's powerful access control in a convenient, pocket-size keyfob.- The iCLASS 13.56 MHz read/write contactless smart key technology with mutual authentication provides high-speed, reliable communications with high data integrity.- iCLASS technology ensures high security access control with mutual authentication, encrypted data transfer, and 64-bit diversified keys for read/write capabilities.- Any existing HID format can be factory or field programmed into the secure HID access control application area.- Available in 2k bit (256 Byte), 16k bit (2k Byte) or 32k bit (4k Byte) configurations.- More powerful, versatile and secure access control.All 16k bit (2K Byte) and 32k bit (4K Byte) iCLASS credentials have the following features:- Sufficient read/write memory to store multiple biometric templates.- 16k available in a two or sixteen application area configuration.- 32k available with 16k memory configured in either 2 or 16 application areas, plus an additional 16k user configurable memory space.