ear tags for pigs,cattle,sheep EM4305,HiTag-S256,T5577,I-Code SLI,Mifare S50 ISO ... ,psColor (customizable)White or yellowOperating frequency134.2kHz / 13.56MHzChemical ResistanceMeet the IP67 standard, waterproof, sunscreen, anti-soakedMechanical resistanceFight fight, in line ...