Fredorlokk 20 PCS 125KHz RFID key fob, proximity identification card, token tag, keypad card for access control system security locks, read-only (blue).

• Important Note: These are 125kHz key remotes (tags). If you want to add them to your lock system, please ensure your system uses the same unencrypted 125kHz frequency. Other frequencies, such as 13.56MHz, are incompatible. For example, they will not work with Graffiti or TTLock smart locks. Encrypted systems will not work.
• Read-only. Cannot be rewritten. You cannot reprogram them. Works with 125kHz card readers, reading distance 0-10cm.
• Unique Design and Durability: Each keychain comes with a unique digital ID number to avoid duplicates. Equipped with a metal keyring, it's easy to attach to a keychain or bag for convenient portability. Made of high-quality materials, it's waterproof and withstands everyday splashes and moisture.
• Product Specifications: The housing is made of durable, waterproof ABS material, providing a tough, drop-resistant finish. The refreshing blue color is instantly recognizable. Measuring approximately 1.3 x 1.1 x 0.2 inches, the compact design takes up minimal space. Each pack contains 20 units, perfect for bulk use.
• Widely applicable scenarios: Suitable for apartment access control, office door locks, hotel room cards, campus access management, identity recognition, parking entrances and other scenarios, easily realizing preset functions such as unlocking, opening doors, and permission management, bringing convenience to life and work.

Description Upgrade your access control system with these versatile 125kHz RFID key fobs. These proximity ID card tags offer a modern solution for access control. Each key fob features both read and rewrite functionality, making them ideal for customizable access control applications. These durable tags are ideal for residential buildings, offices, or any facility requiring secure entry without the need for traditional keys. Their compact size makes them easy to carry on a keyring or in your pocket. Compatible with standard 125kHz proximity readers, these key fobs provide reliable performance for your door lock entry system. The rewrite function allows for quick programming changes when access permissions need updating. Whether you manage a small office or a large facility, these key fobs provide practical and efficient access control.