When connected to a computer, a virtual drive containing software files may appear. Please connect without inserting batteries first and wait for the system to recognize the drive. Ensure the frequency of the source card matches the target card frequency for successful copying. Target cards must support writing operations. T5577 and EM4305 cards operate at 125KHz frequency and come pre-formatted at the factory.Features:HD 2.8-inch Full Color Display with Multi-Language Support.Audio and Visual Feedback for Operations.USB Interface for Data Transfer.Digital Keypad for Direct Card Number Entry.Specifications:Working Frequency: 125KHz, 250KHz, 375KHz, 500KHz, 625KHz, 750KHz, 875KHz, 1000KHz, 13.56MHz (ISO1443A).Supported Reading Protocols: EM4100, EM4200, MIFARE Classic, UID Cards, HID 1386/1326, NTAG203.Supported Writing Protocols: T5577, EM4305, HID 1386/1326, UID Cards.Power Supply: Requires 4 AAA batteries (sold separately).Usage Guide:1. Power on the device using the On/Off button.2. Place the card against the reader area.3. Follow on-screen prompts to initiate reading or writing processes.4. Confirm action via the touch screen interface.Notes:This device is intended for legitimate access control and identification card management. It is not designed for copying financial credentials or chips requiring advanced security bypass techniques. Certain proprietary chips such as CUID/FUID variants may not be supported. Powered cards are also unsupported. Compatible with most standard RFID access control cards, though specific manufacturer limitations apply.