13.56MHz RFID 1K Waterproof Badge Black

1.Chip: 1K RFID Chip 2.Function: password read/write protection, UID cannot change, UID is not rewritable 3.Memory: 1K byte 4.Key ring dimensions: L40xW32xT4mm 5.All key rings are attached to key ring 6.Material: ABS 7.Durable and waterproof 8.Frequency: 13.56MHz 9.RF protocol: 14443A 10.Data storage time: minimum 10 years