---ULTRASHANG 2 X RFID & NFC Blocking Cards--- Thoughtful Gifts for Families and Friends Stop Electronic Pick-pocketing, Provide Yourself with Extra Peace of Mind Why Do You Need A RFID & NFC Blocking Card? A BBC report recently showed how thieves can walk through a shopping centre and gather contactless credit card details from over 50 cards in less than 20 minutes simply by walking up close to people with a scanner. Credit & Debit Card fraud has risen over 31% due to wireless theft in recently years. Protect your money, identity and information safe: ULTRASHANG RFID/NFC Signal Blocking Card. How Does it Work? The RFID Blocking Card is the same size as a standard credit card and 1.2mm thick with built-in internal circuitry. The RFID Blocking Card works by drawing power from the scanner, and emitting a counter-signal to jam the communication. This protects the surrounding cards within a 5cm radius. It can stop transmissions of personal information e.g. financial information, your name, date of birth, account number being read by a remote RFID device. How to Test It Works... There are several ways to check if your card works just in case you want to be sure. The easiest way is at a self checkout at a local supermarket. When you go to pay, put the RFID blocking card on your contactless card and bring them close to the contactless card reader. You will find that the card cannot be read. This prove it confuses the scanner and work in treat. What does The Ultrashang Card signal blocker work with? The contactless card Works on 13.56MHz frequency. This includes, but is not limited to: --Debit Cards --Credit Cards --Driver`s License --Passports --Identification Cards Packaging Details -- 2 Pcs RFID/NFC Blocking Card (Beautifully Packaged)