100pcs 125KHz RFID Key Fob Access Control Card, ABS Electric Lock Token Tags, EM4100 Card, ISO14443A Compliant, Read Only, Can Not Write

Product Features This key fob can only be used as unlocking key card, can NOT write other key card. 1. Waterproof RFID key sensor access control key. 2. Each smart key has a unique ID number. 3. Suitable for 125KHz card reader, reading distance is 0-5cm. 4. Widely used in apartments, offices, parks and other places. 5. 100% brand new and high quality ABS material. 6. Support read only, not writable. Product Description 1. Material: ABS waterproof material 2. Support: read only, not writable. 3. Working frequency: 125KHz 4. Chip: EM4100 chip 5. Each key has a metal keychain and a unique ID number. 6. Standard: ISO14443A 7. Package including: 100pcs mixed color keys

• 1. Each keychain has a unique ID number, which cannot be changed, Can be added as access control unlocking key cards, Can NOT write any other key card.
• 2. Waterproof RFID Key, door access control card. 100% brand new and high quality ABS material.
• 3. Suitable for 125KHz access control equipment and card readers, the reading distance is 0-5cm.
• 4. Widely used in various access control places such as apartments, offices, hospitals, etc. Add it to the access control machine, and you can quickly identify and unlock it.
• 5. Support read only, not rewritable. It can only be copied to other cards, but cannot be modified.