... at 125KHz nominal TK4100,EM4100,EM4102,EM4450, ID card Physical Dimension:86x54x1.8mmWeight:9g+/-0.5gstandard color:white, ... shell sideMaterial Hard Sheel:=ABS,Cover Foil:=PVC(matt surface)ID available at 125KHz nominalTK4100,EM4100,EM4102,EM4450,