Material: ABS+chip Size: 34*23*7mm Safety temperature: -20℃~+70℃ Chip model: TK4100、 EM4305、Hitag s256, ect. it is OK for customized. Frequency: 125KHZ/134.2KHZ Logo: printing (farm name, UID, number,ect.) ECO. Info.: All material meet SGS, RoHS, EN71, Pro65. Feature: 1)nontoxic, good biological compatibility 2)gloss varnish, die cutting, pre stung with safety pin 3)RFID chip embedded, over 512 bit user memory for personalization |