Product Description Nucleus is a family communication device that connects you with the people you love, whether they’re downstairs or across the country. Features & details Nucleus is a family communication device that connects you with the people you love, whether they're downstairs or across the country. Make audio and video calls by simply asking Alexa.Plug Nucleus into power using the included DC adapter or Power over Ethernet (PoE). If you're connecting with standard etherent, plug in the ethernet cable as well the power cord. Connects to the internet via WiFi, Ethernet, or Power over Ethernet Designed for Everyone: We designed Nucleus with the kids and Grandma in mind, making it easier than ever to set up and just say "hello." Chat on the go: Use the mobile app to check in with from anywhere. Please note that the Nucleus companion mobile app is compatible with iPhone 5s or later and Android 5 or later.