Main technical parameters Working frequency: 125KHz Applicable cards: cerdyn iButton, 125KHz card Card reading time: 0.2s Induction distance: 0cm Indicator light: 2 LED(coch / gwyn) Power: Unrhyw USB safonol Port neu drwy USB / adapter 220V, or from 2×CR2020 batteries Working Temperature: -20ºC~+65ºC Material: plastig (gwrth-ddŵr, ond nid yw'n addas ar gyfer amodau amgylcheddol caled) lliw casin Plastig: brown Size: 100×33×10mm Notice: JavaScript is required for …