Question: zwift what do you need?
Answer: Turbo trainer or rollers.
Cadence sensor and speed sensor with ANT+ or Bluetooth.
Windows PC, Mac, Apple TV, iPad/iPhone or Android tablet/telefoon.
An ANT+ and/or Bluetooth receiver for the data by the sensors.
Heart rate sensor*
Power meter*
Smartphone* (For the Zwift Companion app)
Fan*