RFID is also called radio frequency identification technology which is a kind of communication technology??through radio singals to identify specific targets an to read and write data.Do you know most of ID CARD??BANK CARD and PASSPORT CARD are setin the RFID chipset?The RFID reader and NFC can read them with in 10 feets(about 3m)no need touching.This product is helping you to keep safe informations.</br>Photo Slot and Card slots are designed for you to put your photo?? debit card?? credit card or ID card a