Cool! Very cleverNo wires, a piece of 3/8 plywood cut in a circle (like a “donut”), stained black, and 15” radius track nailed on. It just sits on the branches ( this is a live tree, and I likely got lucky that the branches worked out as they did. The track wires have a clip that is easy to unplug from the transformer. People who have seen it think it’s neat.