Main technical parameters Working frequency: 125KHz Applicable cards: iButton kaadi, 125KHz card Card reading time: 0.2s Induction distance: 0cm Indicator light: 2 LED(pupa / funfun) Power: Eyikeyi boṣewa USB Port tabi nipasẹ USB / 220V ohun ti nmu badọgba, or from 2×CR2020 batteries Working Temperature: -20ºC~+65ºC Material: ṣiṣu (mabomire, sugbon ko dara fun lile ayika awọn ipo) Ṣiṣu casing awọ: brown Size: 100× 33 × 10mm