It can copy TM card ,item TM1990A, DS1990 or 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 (3xAAA batteries) This copier also supports 125kHz copy of EM card (ID card) like EM4100 Working voltage: put the battery or connect with the data cable with the computer for power (for example: USB) Due to different product batches, the appearance , which does not affect the use. RFID Tag Reader, NFC ID Reader Writer Cloner, Universal Intercome Key Programmer The copier only supports these model, another model doesn't support it: 1. READ DS1990 or TM1990(DS1990A-F5,TM1990A-F5,DS1990R-F5), WRITE RW1990. 2. READ TK4100, WRITE T5577.(125KHz) Size:100x60x26 mm Colour:As Shown Material:Plastic Package Contents: 1 x Power cable 1 x RFID Copier (NOT include 3xAAA batteries) 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.