Features 1、Support Read and Write Frequency: NFC RFID card reader support 10 frequency key card and support read and write frequency 125KHz, 250KHz, 375KHz, 500KHz, 625khz, 750kHz, 875KHz, 1000KHz, 13.56MHz, etc. 2、Decrypting Encrypted Cards: Our NFC card reader can decrypt most 13.56MHz encrypted cards. Make sure to connect the reader to the computer. 3、Smart Display and USB Port: NFC card reader duplicator has HD 2.8 inch full color screen with clear display and built in multilanguage. With USB port, you can directly connect to the computer. 4、2 Power Supply Modes: NFC card reader supports 4 AAA batteries or USB power supply, more convenient and fast. 5、Matches Various Types: Card reader supports and is compatible with for ISO 14443 A cards, for EM cards, for AWID cards, for T5577 cards, for Ntag 213 215 216, etc. Specification 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 Package List 1 x Card Reader 10 x Keychain 10 x Card 10 x UID Keychain 1 x USB Data Cable