With built-in speed controls and pre-programmed programs

https://treadmill-ukccrk022.unionquill.com/posts/how-do-you-explain-electric-running-machine-to-a-five-year-old

With integrated speed controls and predetermined programs, home treadmills make it simple to follow directed workouts that support physical fitness goals like stamina, weight loss, and endurance, even for beginners.