Black NFC RFID Card Reader with UID Keychain HD 2.8inch Full Color Screen Card Copier Writer Duplicator Item Type: Card Reader Material: ABS Range: Up To 3 Km (Open Space) Power Supply: 4 AAA Batteries (Shipped Without Batteries) Supported Operating Systems: For Windows 98, For ME, For NT, For 2000, For XP, For 2003 For Windows XP X64, For 2003 X64, For Linux For OS X 10.5, For OS X 10.6 For WinCE 5.0 (For Windows Embedded Compact) Features: 1. HD 2.8Inch Color Screen With Clear Display And Built In Multi Language 2. ID or IC Full Hand Voice Announcement. 3. Support Read Write Frequency: 125KHz, 250KHz, 375KHz, 500KHz, 13.56MHz (For ISO1443A) 4. Support Reading: For EM4100 Or For EM4200, UID Card, For Ultralight, For Ntag203, For 1386 1326 1346 5. Support Write Card: For 1386 1326 1346, For T5577, For EM4305, For UID Card 6. Number Key Input Number Can Be Directly Input 7. 4 AAA Batteries For Power Supply(not included) Or Use With USB Power Supply