Multi-frequency Compatibility: The rfid reader and writer assist in identifving ID cards and lC cards of different freguencies, including 125KHz, 175KHZ, 250KHz, 300KHz, 375KHz, 500KHz and 13.56MHz(Notice:lt can not be used with Mac, the file only fits for windows. When the computer identifies it as malware, you should exit the computer's protection software) Smart Card Reader: This rfid copier can read many types of cards, including S50, S70, TK4100, EM4100, EM4200, T5577, TK4100-D, TK4168, HID, AWlD and other common cards on the market. lf you are not sure whether it is suitable, App Connection: You can use the App to operate or decode through a computer or mobile phone, conveniently output the data easily out without a card. NFC Simulation: Independent NFC simulation function, allowing devices with NFC function to simulate encrypted IC cards with one button(Note: The default language is Chinese, but you can choose English at boot time or directly select English in the system settings) Communication Interface: The card reader is with low power consumption in standby mode and supports Type-C comm, making it convenient and practical. And the rfid copier is with 2.8-inch TFT color screen, which can display various card information more intuitively Color: As Shown Material: Metal+Plastic Package Contents: 1 set * for Access Control System Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.