This device can copy TM cards, specifically Tm1990a, DS1990/RW1990 (DS1990A-F5, TM1990A-F5, DS1990R-F5). It's user-friendly and convenient, with successful copying achieved in just three seconds. Compact and portable with a buckle, it's easy to carry and powered by 3 AAA batteries. This copier also supports copying EM cards (ID cards) at 125KHz, such as EM4100. It can copy EM4100 to EM4305 or T5577 via the designated area shown in the image. Working Voltage: Can be powered by batteries or connected to a computer via a data cable (e.g., USB). Dry Battery: 3xAAA Color: White Material: ABS Size: 100 x 60 x 25 mm Package Contents: 1 * RFID Copier 5 * 125Khz RFID Readers (Random color, specified color not accepted) 5 * RW1990 Keys (Random color, specified color not accepted) Note: Package contents listed above only. Other products are not included. Light and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.