Quick sense respond , light , small ,portable, competitive price. Model NO.:XY- 001Standard: ISO 9001:2008Orgin:ChinaMaterial: High quality PVC,ABS,PETSize: 85.5*54*0.8-0.84mmColor: Full Color Finish: Gloss, Matt,Stamp..Sense distance:2-15cmSense time:1-2 secondAvailable Chips: EM4100,EM4200,EM4305,EM4450,TK4100,Mifare1 s50,Mifare1 s70,Mifare Ultralight 10,ICODE2,DESFire2k/4k/8k,TI2048,Hitag2, ...