1. Common in both Chinese and English 2. Sensing distance: 1-5cm 3. Power supply: 20W 4. Card reading time: 0.1s 5. Working frequency: 125Khz 6. The keychains reading and writing distance is 2-6cm 7. Easy to learn and use, over firewall 8. Simple operation and fast copy 9. Type: non-contact card reader 10. Applicable cards: Id125 frequency radio frequency card 11. Use 2 x AAA batteries (not included in shipment) 12. Change the cards arbitrary appearance to solve the problem of card shortage, card loss, and replacement 13. Suitable for access card, parking card, elevator card, time attendance card, glue card 14. Support writing to T5577, EM4305, CET5200, and all T5577, EM4305 compatible cards 15. Dimensions: 71x117x31mm