SaiTech IT Unisex-Adult Blocking Cards 5 Pack Premium Contactless Nfc Debit Credit Card Passport Protector Blocker, Design Perfectly Fits In Wallet/Purse(Black

Brand: SAITECH IT Package Contains: 5 x RFID Blocking Card Protect and secure your ID cards and payment cards from being hacked and skimmed from the RFID and NFC readers at frequencies of 13. 56Mhz. TEST THE CARD: Test the blocking card at the self service checkout machines at your local supermarket. Place the RFID blocking card on your contactless card and bring them close to the contactless card reader. You'll find that your credit card cannot be read. (Note: It can NOT work on cards with frequency from 100KHz TO 125KHz.