It can read and write TM1990A, DS1990A, and RW1990 RFID tags. It is easy to operate and completes copying in approximately three seconds. Compact design with a built-in clip for portability; powered by 3 AAA batteries (not included). Supports 125 kHz EM4100 card reading and writing to EM4305 or T5577 chips. Can be powered via USB cable connection to a computer or by batteries. Color: As shown in image. Material: Plastic. RFID Tag Reader and Writer. Compatible models: 1. Reads DS1990A/TM1990A (including DS1990A-F5, TM1990A-F5, DS1990R-F5); writes to RW1990. 2. Reads TK4100; writes to T5577 (125 kHz). Slight variations in appearance or labeling may occur between production batches, but do not affect functionality. Package Includes: 1 × RFID Copier (batteries not included), 1 × USB Power Cable. Note: Colors may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.