Usage Tips:It can copy TM card ,item Tm1990a, DS1990/RW1990(ds19905,TM19905,DS1990R-F5).It is easy to operate, convenient , and just need three seconds to copy successfully.Small size , with buckle , easy to carry , use batteries(3PCS*7 batteries).This copy machine it also Support copy EM card (ID card) 125khz,like EM4100It could copy EM4100 into EM4305 or T5577 throug this zone in the picture.Working voltage: put battery packed cell or link with data cable with computer to supply power(for example:USB)Dry Battery:3XAAA / 3XAAA(Does not contain)Colour:whiteMaterial:ABSSize:100 x 60 x 25mmPackage Contents:1 * RFID Copier5 * 125Khz RFID Reader(Random Color, The specified color is not accepted)5 * RW1990 Key(Random Color, The specified color is not accepted)/ 1 * RFID CopierOnly the above package content, other products are not included.Note: Light shooting 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.