With built-in speed controls and predetermined programs

https://home-treadmillgpgr573.halcyonledger.com/posts/20-things-you-need-to-know-about-treadmills-for-home

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