【FREE FULL SDK】-- Free Full SDK (demo program with source code , VB,VC,DELPHI)
【FREQUENCY】-- Support for ISO14443A (1K(S50),S70). Operation frequency : 13.56Mhz. Built-in transceiver antenna
【SUITABLE OS】-- Reading distance 0 to 10cm; OS : for win XP/ win2k/ win vista/ win7/ win8(32‑bit and 64 ‑ bit)/ linux
【DC5V VOLTAGE】-- USB 2.0 / USB 1.1 interfacee. Voltage: DC 5V. Working Current:<60mA. Built‑in bi‑color LED(red/blue) and buzzer
【PACKAGING】-- Package included: 1 x 13.56Mhz for ISO14443A Reader & Writer USB Interface for RFID; 1 x S50 CARD; 1 x S50 BLUE KEY TAG; 1 x S50 STICK TAG