It took me a little while to understand what this thing actually does, but it turns out to be one of the coolest things you can have at your house. Basically you can turn your whole house wireless. Their description says: "Upgrade your home with automated lighting, appliances, security, and more by installing an INSTEON network. Insteon is a powerful, home-control networking technology that is affordable and simple to install and use. The dual-band network quickly and reliably transmits INSTEON messages throughout the home both wirelessly (using the SignaLinc RFs) and through the home`s existing wiring." You can basically turn your whole house wireless! INSTEON WIRELESS LIGHTING STARTER KIT DEAL