Product Features: 1. Smart Display Screen and USB Interface: HD 2.8-inch full-color screen with clear display and built-in multilingual support. USB interface allows direct connection to a computer. 2. Compatible System: Software is compatible with Windows operating systems only. Not compatible with macOS or Linux. 3. Supported Frequencies: Supports reading and writing at 125 kHz, 250 kHz, 375 kHz, 500 kHz, 625 kHz, 750 kHz, 875 kHz, 1000 kHz, and 13.56 MHz (ISO 14443 A/B). Compatible with HID Prox cards and others. 4. Card Reading Capability: Capable of reading common 13.56 MHz contactless smart cards. Requires connection to a computer for operation. 5. Card Compatibility: Works with EM cards, MIFARE Classic, UID cards, T5577, HID 1386/1326/1346, NTAG 213/215/216, and similar standards. Note: This device is intended for access control applications. Compatibility is limited to the card types listed above. It does not support all RFID card formats. If your card type is not listed or unknown, please before purchasing. How to Read and Write RFID Cards: 1. Press the “On/Off” button. 2. Place the card on the back of the device. The device will display a prompt — press “OK”. 3. Place the card again on the back of the device and press “Scan”. 4. The device will scan and display the card ID. 5. Place a writable T5577 (125 kHz) or UID (13.56 MHz) card on the back of the device and press “Write”. Color: White Material: Plastic Package Contents: 1 x RFID Reader 5 x Keyfob Tags 5 x Cards Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.