Accessories ID Card NFC Tag Rewritable T5577 Access Control Key Access Control Programmable Token Keyring

Frequency: 125khz Chip: ID plug Approx. Fob size: 1.58*1.26*0.18 inch. Casing Material: ABS Plastic. Color: Random Color. Features: This card works the same as the normal IC cards, for 1K S50 standard. Only the Sector 0 Block Zero which is known as the Serial Number/Manufacturers Block(Chip CUID) could be programmed to any UID you want. Package Included: 5 x NFC Tags