Samsung RFID Bundle, includes 2 RFID Sticky keys + 2 RFID Tags + 1 RFID Card Bundle for 2 RFID sticky keys, 2 RFID tags, and 1 RFID card. Works with ALL Samsung digital door locks. The RFID sticky keys, tags, or cards can be programmed to open multiple door locks. One key to rule them all (your Samsung door locks that is). Each RFID tag comes with a elastic strap and is lightweight making it easy to carry. Sticky key is super thin and has a pretty strong adhesive. The most common place to use a sticky key is on the back of a phone. RFID card is exact size of bank cards and fits perfectly in your wallet or purse. [ RF ID ] 13.56MHz ISO14443 A Type Mifare