125KHz T5577 / EM4305 Writable RFID Key Ring NFC Tags Token Proximity ID Access Control Key Fob Card for Security Entry System Blue

Feature 1. Waterproof RFID key tag proximity door control access. 2. Each keyring without a unique identification number on it. 3. Suitable for 125KHz card, the reading distance and reader is 0-10cm. 4. Widely used in apartment, office, park and other places. 5. ABS material. 6. Support reading and writing. Product Description 1. Material: ABS waterproof material 2. Colour: blue. 3. Support: Reading, and writable. 4. Working frequency: 125KHz. 5. Chip: T5577 / EM4305 chip. 6. Each keyring has a metal key ring.