Echelon Corporation develops, markets, and sells system and network infrastructure products that enable various devices, such as air conditioners, appliances, electricity meters, light switches, thermostats, and valves to be made smart and inter-connected. The Company's products and services are offered to the principal markets, which include electric utilities, building automation, industrial automation, demand response, street lighting, home control and transportation. Echelon's LONWORKS Infrastructure (LWI) network infrastructure products include transceivers, control modules, routers, network interfaces, development tools, and software tools and toolkits. Echelon's system infrastructure products include the i.LON family of Internet servers and the Network Energy Services (NES) system.