Rewritable 125KHZ Chip: This ID card key fob features a rewritable 125KHZ low-frequency chip that supports read, write, copy, and overwrite functions, making it ideal for flexible access control management in offices, apartments, or gated communities.; Reliable Induction Performance: The ID card key fob offers sensitive proximity detection with an induction distance of 2-10cm depending on the reader, ensuring quick and consistent response for door entry, elevator access, or parking systems without direct contact.; Wide Application Compatibility: Designed for versatile use, this proximity keyfob works seamlessly with access control systems, hotel door locks, employee attendance tracking, campus security, parking lot gates, and municipal service payment terminals across various environments.; Durable ABS Construction: Made from high-quality ABS plastic, each ID card key fob is, drop-, and built to withstand daily wear in harsh conditions, from rainy commutes to industrial work sites, maintaining reliable performance over time.; Bulk Pack for Easy Management: Package includes 50 pcs of ID card key fob tokens, perfect for businesses, schools, or property managers needing multiple credentials for staff, students, or residents-compact size fits easily on keychains for convenient carry.

What's in the box
50 x Key Holders