iSTAR Edge 4-Reader, supports four readers, with enclosure 64MB RAM, 12/24 VDC input. Requires RM module or RM reader for readers 3 & 4.ESTAR004SKU: ESTAR004Technical Specifications iSTAR Edge 4-Reader, supports four readers, with enclosure 64MB RAM, 12/24 VDC input. Requires RM module or RM reader for readers 3 & 4. Descarga de ManualManual Descarga de Ficha TécnicaFicha Técnica en Español