HFeng (pack of 100)125KHz RFID Access Control Keyfobs Proximity EM4100 TK4100 Keychains Smart ID Keycard for Door Electric lock system nfc token tag (Blue)

• 1. Material: ABS waterproof material. TK4100/EM4100 chip.
• 2. Working Frequency:125KHz. Support: Read only, not writable.
• 3. Each keyfob has metal keyring and unique ID number on it.
• 4. Widely used at apartment, office, park and other places.
• 5. Package included: 100 pcs Blue keyfob.

Feature 1. Waterproof RFID key tags proximity door control access. 
2. Each key fobs with a unique ID number on it. 
3. Suitable for 125KHZ card reader and reading distance is 0-10cm. 
4. Widely used at apartment, office, park and other places. 
5. 100% brand new and high quality ABS material. 
6. Read only, not writable. Product Description 1. Material: ABS waterproof material 
2. Color: Blue. 3. Support: Read only, not writable. 
4. Working Frequency:125KHz 
5. Chipe: TK4100/EM4100 chip 
6. Each keyfob has metal keyring and unique ID number on it. 
7. Standard: ISO14443A 
8. Package included: 100 pcs keyfob