You can identify the card type: T5557, EM4305, M1, ID, 4442,4428 and other types of smart card Cover colors: white / white + blue / champagne Dimensions: 86 * 86 * 42 bottom box: 86 * 86 low-125K high-frequency card 13.56M card to take power switch for hotel, KTV, nightclubs and other places. In general, the sample needs 1-3 days, 5-10 days batch. We are factory outlets nationwide, welcome a friend in need, or want the agent to the Advisory friends!