With built-in speed controls and predetermined programs

https://hometreadmills.ukyhzs314.currentvale.com/posts/5-laws-that-will-help-the-buy-treadmill-industry

With built-in speed controls and pre-programmed programs, home treadmills make it simple to follow directed workouts that support fitness goals like endurance, fat loss, and endurance, even for newbies.