»Dimensions :85mmx35mmx16mm■Power supply : 12Vcc■Reading distance: up to 40mm■Wiring: 5 wires / 100m to controllerWiegand is a standard protocol. FDI Wiegand readers are compatible withmost access control systems that accepts 30-bit. At the request FDI candevelop 26 bits, 32 bits, 34 bits readers or more.