Discover the efficiency of Secura Key's RKKT01-25 Proximity Key Tag, now available in a convenient 25-pack. These key tags are embedded with 125 kHz proximity technology, ensuring reliable performance. They are pre-programmed to support any card data format up to 40 bits, making them versatile for various security needs. Compatible with all Secura Key proximity readers, these tags offer universal usability. Each tag features an external number for straightforward identification and control, supporting formats up to 40 bits with over a trillion possible codes. Upgrade your access control system with these high-quality key tags and experience enhanced security and convenience. Don't miss out, secure your pack today!