• 【About Product】 -- Contains 30pcs MIFARE Classic 1K RFID Smart Cards，each card individually OPP bag packed. Blank white both sides(No printed numbers, no magnetic strips and no slots or holes)
• 【About Chip】-- MIFARE Classic 1K chips are produced by the Fudan brand in Shanghai, China and are compatible with NXP chips. The wireless frequency of the MIFARE Classic 1K card is 13.56MHz, which complies with the ISO14443A standard and contains 1K bytes of read/write memory. Each chip has a unique UID number, but the UID cannot be changed or rewritten，Default button: FF FF FF FF FF FF.
• 【About Material】-- The MIFARE Classic 1K card is made of durable and waterproof PVC material, and the antenna adopts ultrasonic winding technology. The card has a five layer structure, which is the same size as the credit card. The surface is smooth and glossy, wear-resistant, stable, non-toxic and odorless, and hygienic and safe.
• 【About Application】-These RFID cards work with KABA,SAFLOK,MIWA AND ONITY LOCKS,also compatible with RC522 and PN532 readers. But they can NOT work with HID,Salto and Assa Abloy Locks/Systems,Amiibo and Tagmo, etc.All cards are pre-programmed with a unique ID(4 Byte UID). The UID is NOT changeable.
• Printable--These cards both sides are printable on all ISO Standard Desktop Photo ID Card Printers: Evolis, Zebra, Badgy, Fargo, Magicard, DataCard etc.【NOT USE FOR INKJET PRINTERS】