These versatile 26-bit proximity key fobs are designed for seamless integration with most card access control systems. Each durable black fob features a unique sequential number and comes with a sturdy metal key ring for convenient attachment. Compatible with ISOProx 1346, 1386, 1326, and H10301 format readers, these fobs provide reliable building access control. The robust construction ensures long-lasting performance in daily use, while the compact size makes them easy to carry. Perfect for businesses, apartment complexes, and institutions looking to implement or upgrade their security systems. The fobs' universal compatibility makes them an ideal choice for both new installations and existing access control infrastructure. Each pack includes sequentially numbered fobs for straightforward inventory management and user assignment.