It can copy TM cards, including Tm1990a, DS1990/RW1990 (ds1990A-F5, TM1990A-F5, DS1990R-F5). It is easy to operate and convenient, requiring only three seconds to complete a copy. Compact size with a buckle for easy carrying; powered by batteries (3 x AAA). This device supports copying EM4100 cards (125kHz ID cards). It can copy EM4100 data onto EM4305 or T5577 chips using the designated zone shown in the image. Working voltage: powered by battery pack or via data cable connected to a power source such as USB. Battery type: 3 x AAA Color: white Material: ABS Size: 100 x 60 x 25mm Package Contents: 1 x RFID Copier 5 x 125kHz RFID Readers (random color, specific color not guaranteed) 5 x RW1990 Keys (random color, specific color not guaranteed) Only the above items are included; others are not part of the package. Note: Lighting and display differences may cause slight variations between the product color in images and the actual item. Measurement error allowance is +/- 1-3cm.