Enhance your access control system with these reliable 125KHz RFID key fobs. This bulk pack of 100 blue proximity tokens is compatible with TK4100/EM4100 protocols, making them ideal for door entry systems, time attendance tracking, or other security applications. Each durable key fob features a unique ID number engraved on its surface and comes with a sturdy metal key ring for easy attachment to keychains. The bright blue color helps with quick identification and organization. These tokens offer consistent read performance and are constructed from robust ABS plastic to withstand daily use. Perfect for property managers, businesses, schools, or any facility requiring controlled access management. The lightweight design and ergonomic shape make these fobs comfortable to carry while maintaining professional functionality. Each fob is pre-programmed and ready to use with compatible readers, offering a convenient solution for your electronic access control needs.