Portable Handheld RFID Reader Writer with 2.8-inch Full Color Screen. Features multi-lingual support and built-in voice broadcast. Includes USB interface for computer connectivity. Operates on 4 x AAA batteries (batteries not included). Designed for standard handset portability and ease of use. Manual keypad entry allows direct input of card numbers. Supported Frequencies: 125 kHz, 250 kHz, 375 kHz, 500 kHz, 625 kHz, 750 kHz, 875 kHz, 1000 kHz, and 13.56 MHz (ISO 14443A). Supports HID 125 kHz Proximity Cards. Supported Card Types: Read/Write Functions: EM4100, EM4200, MIFARE Classic, UID Cards, HID 1386/1326, NTAG203, T5577, and EM4305. Cards are sold in an empty factory state, allowing for reading and writing immediately upon setup. Important Usage Guidelines: Do not install batteries when connecting the device to a computer via USB. Wait for the software drive to appear and respond before pressing OK. Ensure the read and write frequencies are consistent for accurate data transfer. Electronic label stickers and NTAG 213 cards cannot be written to with this device. This product is not intended for use with bank cards or financial payment cards. Supports most standard IC cards; however, results may vary depending on encryption standards. Operation Instructions: 1. Press the On/Off button to activate the device. 2. Place the card on the back of the reader. The display will indicate the Warning page. Press OK to confirm. 3. Place the target card on the designated surface to begin data reading or writing. 4. Follow on-screen prompts to complete the process. Note: Do not apply external power supply to unsupported cards. Verify compatibility before use for access control applications.