IHD3-CAD is an integrated In Home Display and Consumer Access device. It communicates with the meter set using Zigbee Smart Energy 1.2b. The householder can view their energy information on the display. The user interface is easy to navigate and the product uses 7 touch sensitive buttons. IHD3-CAD provides an IEEE 802.11 link to home routers thus enabling this energy data to be sent wirelessly to remote servers.