RFID Token, Small size , waterproof Support card: 13.56M or 125K ,Iode,Mifare,T5577,Hitag,desfire,ultralight,EM4200,EM4305, Model: PVC Tag cardSupport card ... /18mm/20mm/25mm/30mm,30*40mm 30*55mm Thickness: 0.9-1.2mmMaterial: PVCTemperature: -20~70°CWater resistance: yesPrint , Crystal option RFID PVC ...