Main technical parameters Working frequency: 125KHz Applicable cards: iButton kaart, 125KHz card Card reading time: 0.2s Induction distance: 0cm Indicator light: 2 LED(rooi / wit) krag: Enige standaard USB Port of via USB / 220V adapter, or from 2×CR2020 batteries Working Temperature: -20ºC~+65ºC Material: plastic (waterdig, maar nie geskik vir harde omgewingstoestande) Plastiek omhulsel kleur: brown Size: 100× 33 × 10mm