- The BlueMould3 T5577 125KHz RFID Rewritable Key Fob is sold in a convenient pack of 100, making it ideal for bulk usage. - Engineered with 125KHz RFID technology, these key fobs are rewritable, allowing for easy updates and modifications as your access needs change. - Each fob offers flexibility, perfect for various applications such as employee access control, membership systems, or event ticketing. - Designed for compatibility with standard RFID readers, the BlueMould3 T5577 key fob provides seamless integration into existing systems. - Constructed from durable materials, these key fobs ensure longevity and reliable performance in everyday use. - Use scenarios include creating temporary access badges for events, managing employee entry in office buildings, or implementing a secure system for gym memberships. - The practical design and functionality of the BlueMould3 T5577 key fobs make them a smart choice for businesses, organizations, and events looking for reliable access solutions.