Physical 1. Dimension: 90 mm (L) x 65 mm (W) x 12.8 mm (H) 2. Material: PC enclosure 3. Color: white 4. Cable: 1.0 meter USB cable 5. Weight: 100 gram 6. Protocol: IEC14443A& ISO18092 Electrical 1. Working Frequency: 13.56 MHz 2. Read distance: 3- 5 cm 3. Card support: Mifare 1k, Mifare 4k, Ultraight, UltralightC, Ntag213/ 215/ 216, MIfare Plus 2k/ 4k? Mifare Desfire 2k/ 4k /8k 3. Reading time: <100 ms 4. Interface: USB 2.0 5. Power supply: 5V/ 100 mA from USB port 6. Output Format: 10 digit Decimal ( converted from Chip UID (UID 3 to UID 0) 7. Driver free,Windows XP, Vista,7, 8, 10 supported. Environment 1. Working: -10 C to +60 C, 5~ 95% RH, no condensation 2. Storage: -25 C to + 45 C, 5~ 95% RH, no condensation Packing - 1x ACR122U Reader - 5x Ntag213 NFC tag - 2x UID MF1 card - 1x SDK and free NFC tool software