The HID HID-5266VNNB is a blank SEOS only key fob credential that delivers the same level of security as a smart card in a convenient, pocket size device. It easily attaches to a key ring, badge clip or lanyard and is built to withstand harsh operating environments or handling. The SEOS key fob is powered by SEOS, the next generation of credential technology that provides enhanced security, privacy and functionality. This advanced technology enables secure access via mobile devices and the ability to efficiently manage multiple applications.