While many different types, styles, and price ranges of treadmills exist, many of them offer unique features like a fold-up design for easy storage, an electronic display monitor showing speed, distance, workout time, incline level, and burned calories, and EKG grip pulses to monitor the heart rate while exercising.
https://www.amazon.com/Horizon-Fitness-HTM0794-00-T202-Treadmill/dp/B003TNNPZC

