Main technical parameters Working frequency: 125KHz Applicable cards: kartu iButton, 125KHz card Card reading time: 0.2s Induction distance: 0cm Indicator light: 2 LED(beureum / bodas) kakuatan: Sagala USB standar Port atanapi via USB / 220V adaptor, or from 2×CR2020 batteries Working Temperature: -20ºC~+65ºC Material: plastik (tahan cai, tapi teu cocok keur kaayaan lingkungan teuas) Warna casing palastik: brown Size: 100× 33 × 10mm