Technology parameters Chip: Makemake au i kāu huahana ID Blank Writable Number Card: TK4100, EM4305 IC: China production induction IC chip Operating Frequency: 125Hiki ke hāʻawi aku i nā lawelawe maʻamau e hoʻokō i kāu mau manaʻo kūʻokoʻa a me nā pono, 13.56MHz Induction distance: 2~10cm Work mode: Makemake au i kāu huahana ID Blank Writable Number Card: Read-only IC: R/W Endurance: > 100,000 times Data retention: > 10 years Working temperature: -25℃~+70℃ Material: PVC, PET, PETG, ABS, Paper Size: L85.5mm×W54mm, thickness 0.80mm or 1.80mm ( 1.80mm thick card with a portable hole )