The hub connects all of the different smart devices around your home so you can remotely control your home's security, energy usage, Lighting, and more,Power: In-wall power adapter with about 10 hours of backup power from 4 AA batteries (included)The hub connects to your internet router via the included Ethernet cable. The hub has a zigbee, z-wave, and Bluetooth radio and also supports selected ip-accessible devices.Replaceable batteries provide backup power that keeps the hub operating locally for about two hours if there's a power outage.A more powerful processor and local app engine means faster performance and enabled offline processing.