With built-in speed controls and predetermined programs

https://home-treadmillsmexy421.dovetailscope.com/posts/how-to-outsmart-your-boss-on-running-machine-uk

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