·Standard Mifare card/Certification ISO 14443 A
·LED indicate and buzzer to identify the reading result
·Reading Card Type：MF1S50、S70、Ultralight、Desfire
·Operating Frequency：13.56MHz
·Reading Distance：20-70mm with ISO Standard size card
·Read Speed：<20ms
·Data output interface：USB
·Dimensions (LxWxD)：10.8cm×7.8cm×2.8cm