Key features: Dc5v power supply from usb; usb com port; Compliant with iso14443a/b, iso15693, iso7816 t=1 standard; Support read/write contactless series cards and contact smart sam cards. Embedded with one smart contact card socket under iso7816 t=1 standard; Available to operate desfire picc level, application id create/delete/format, etc Support to create standard datafile&backupfile, and valuefile, recordfile, etc Dimension with 80mmx84mmx12mm, Internal led&buz for status indication, one smart sam card socket. Technical parameters: Electrical specification Power supplydc 5v from usb Power consumption max current