It can copy TM card ,item TM1990a, DS1990/RW1990(ds1990A-F5,TM1990A-F5,DS1990R-F5). It is easy to operate, convenient, and takes only three seconds to successfully copy. Small size, with buckle, easy to carry, use batteries (3 x AAA batteries)(NOT come with batteries). This copier also supports 125kHz copy of EM card (ID card) like EM4100 It can copy EM4100 TK4100 to EM4305 or T5577 through this area in the picture. Working: put the battery or connect the data cable with the computer for power (for example:USB) Dry Battery: 3xAAA (does not contain) Type:T5577 Keychain Colour:White Material:ABS Package Contents: 1 * RFID Copier 1 * USB cable 5 * T5577 cards(Color is random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.