What is Zigbee

http://www.zigbee.org/what-is-zigbee/494-2/

Smart Homes

ZigBee is the only global, standards-based wireless solution that can conveniently and affordably control the widest range of devices to improve comfort, security and convenience for consumers. It is the technology of choice for world-leading service providers, installers and retailers who bring the benefits of the Internet of Things into the Smart Home.

ZigBee is the language for a wide variety of smart home devices so companies can deliver an integrated ecosystem of home monitoring, energy management, heating and cooling, security and convenience devices.