Main technical parameters Applicable cards: EM ID/MF1K, MF4K, MFUTL, MFPlus Protocol: Wiegand 26 (34), iButton (Dallas Touch Memory, DS1990A) Working frequency: 125KHz/13.56MHz Power supply: 0W Voltage: DC 6-18V Current: 35mA Card reading time: 0.2s Induction distance: 2-6cm Length of card reader and controller: 15 meters Reminder light: red LED Shell material: polyamide Size: diameter 25mm, height 22mm Packing size: 51*45*41mm …