This item is in like new condition. I used it about 3-4 times and it works great.
Everything is included as seen in the photos. It comes with the Zwift Hub smart trainer, power cord, instruction manual, shift controllers. You just take off the back wheel from your bike and mount it on the Zwift smart trainer. This is designed to work with the Zwift app for riding in their virtual environment but it can be used on its own as well.
It has a claimed accuracy of +/- 2.5%, a maximum resistance of 1800 Watts and it can simulate gradients up to 16%. The flywheel weighs in at 4.7kilos, and the trainer is ANT+, FEC and Bluetooth FTMS controllable. $599 MSRP