This Vonage VDV23-VD adapter allows you to connect your phone to the internet for VOIP digital phone service. It comes with a power supply for easy setup and has Ethernet (RJ-45) and DSL (RJ-11) interfaces. The black color and compact design make it a great addition to any home networking setup. The brand is Vonage, and the model is VDV23-VD. The adapter is in great working order and ready to use.