Quick sense respond , light , small ,portable, competitive price. Model NO.:XY- 003Standard: ISO 9001:2008Orgin:ChinaMaterial: High quality PVC,ABSSize:44.5*33*6mmColor: Blue/Yellow/Orange,Full Color printing on both sides of the cardSense distance:2-15cmSense time:1-2 secondAvailable Chips: EM4100,EM4200,EM4305,EM4450,TK4100,Mifare1 s50,Mifare1 s70,Mifare Ultralight 10,ICODE2,DESFire2k/4k/8k, ...