Usage Tips: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 7 batteries) This copier also supports 125kHz copy of EM card (ID card) like EM4100 It can copy EM4100 to EM4305 or T5577 throug this area in the picture. Working voltage: put the battery or connect with the data cable with the computer for power (for example: USB) Colour:As Shown Material:plastic 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/TM1990(DS1990A-F5,TM1990A-F5,DS1990R-F5), WRITE RW1990. 2. READ TK4100, WRITE T5577. (125KHz) Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Power cable, 1 * RFID Copier (NOT include batteries 3 * AAA battery ) 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.