The document describes the main features of the Honeywell Series C system. It discusses the deliverables in the Series C release, which include the C300 controller, I/O modules, and a new firmware that allows upgrading from an R300 system. It then covers the key attributes of Series C hardware, such as its more efficient and compact design that reduces footprint by up to 30% compared to equivalent systems. New terminology is also introduced, like IOTA, IOTA carrier, and I/O modules. The performance targets of the R300 release are provided.