With built-in speed controls and pre-programmed programs

https://hometreadmills.uktwko671.evercolumn.com/posts/why-we-enjoy-buy-a-treadmill-and-you-should-also

With built-in speed controls and preset programs, home treadmills make it basic to follow guided workouts that support physical fitness goals like stamina, fat loss, and endurance, even for novices.