125KHz T5577 / EM4305 Writable RFID NFC Key Fob Tags Token Proximity ID Access Control Key Card Fob for Security Entry System, Blue (10)

Material: Waterproof ABS material. Each keychain has a metal keyring. Chip: T5577 / EM4305 chip. Support: Read and write. Working frequency: 125KHz. Reading distance: 0-10cm. Widely used in apartments, offices, parks, and other places. Each keychain has a metal keyring. Package includes: 10 keychains.