Hunter EZDM Decoder Output Module for HCC and ICC2 Controllers Cost and complexity have often limited decoder technology to higher-end systems. However, with the revolutionary EZ Decoder System (EZDS), you get all the advantages of two-wire installations with simpler, more cost-effective technology — so you can bring the power of two-wire control to more projects than ever before. EZ Decoders are small, waterproof, and come with color-coded wiring and a convenient LED status light. They do not require special wire or connectors to function. Better yet, the system can coexist with conventional output modules, allowing hybrid functionality of both direct-wired valves and decoder operations in the same controller. This technology also permits easy conversion of a conventionally wired system to two-wire using the existing wiring bundle. It’s that easy!