The Ooma Hub VoIP Home Phone System 110-0100-307 is a white unit that allows for one phone line. It is a VoIP device designed for home use, featuring a sleek design and easy setup. The power adapter included ensures that you have all the necessary components to get started with your Ooma Hub system. Made in China, this unit is a reliable choice for those looking to upgrade their home phone system to VoIP technology.