An indoor trainer (All require a road bike to connect; some work with the rear wheel in and others work on a drive train system without rear wheel. Examples include Wahoo Kickr V5 or Core, Tacx Neo or Flux and Elite Suito to name a few. Alternatively, you can complete the remote programme on an indoor bike that can project cadence and power (same applies for the indoor trainer). Examples include Wattbike Atom, Wattbike Nucleus, Wattbike Trainer/Pro and Wahoo Indoor bike, etc. A Peloton Indoor bike will not work as their data is protected unless you put power pedals on their indoor bike.
You will also need a laptop or tablet to download the remote software, ANT+ receiver, comfortable cycling kit, water bottle, heart rate strap and a sweat towel.