RFID Reader Writer: The ChameleonUltra is not only a rfid copier, but also a rfid tag. You can use it to clone a smart card data and it can be used to test and validate the behavior of other RFID control systems, as if it is a real RFID keychain Multifunctional Compatible: The Chameleon Ultra is designed dual frequency in one device. It supports 125Khz ID cards(T5577 and EM41xx) and 13.56Mhz IC cards(Semi-encrypted cards, full-encrypted cards and third generation of vulnerability card cards) Smart Cards Replacement: There are 8 card slots, it can simulate 8 IC cards and 8 ID cards at the same time. It means one card access all control systems in your daily life. (Notice: It is not a universal card, it requires for original-cards to copy.) Convenient Use: The shape of the rfid cloner is sleek. Its overall size is 4.5 x 2.45 x 0.75cm, very lightweight and can be carried around. And it is built-in battery that can be used (3 to 5 times one day) for more than one month when charged once The rfid writer supports most common cards, such as residential community access card, attendance card, elevator card(full encryption card with scrolling code is not supported) and NFC bracelet, you always have chance to use it in your daily life. Color:As Shown Material:Metal Package Contents: 1set * fob copier