This product enables you to wirelessly connect your TV to your existing router so that you can view your videos, music and photos. The package contains Two Air 4420s, Two 12v power adapters, two ethernet cables and an easy set up CD. You are required to have an internet enabled TV or a network enabled device such as a Blue-Ray player for non connected TVs, you can also connect it to a games console such as an XBox or a set top box with a USB port. We are not very techno minded in our house, so it probably took longer than it should have done to get us up and running, but we got there in the end and we are delighted with the outcome. Highly Recommended.