ACM26G is RFID EM ID Proximity 125KHZ Card reader or Mifare Card reader, Wiegand 26,RS485,RS232 Format Communction optional Specification: operating voltage: DC 9~15V operating current: 100MA cmpatible card:ID or IC(125Khz or 13.56Mhz) format: Wiegand 26,RS485,RS232 distance; >10cm color:black,white,argent