GYMAX Dog Treadmills for Small/Medium Dogs - 220 LBS Pet Runner& : Coming with 0. 5mph 7. 5mph speed range, GYMAX dog treadmill allows your small budy to walk, jog or run freely. 3 levels incline offers more intensity options. With 12 preset programs and 3 countdown modes, this pet treadmill enables you to set scientific exercise plans. & : The pet treadmill is equipped with an LCD screen, clearly indicating real time date of pets workout, such as speed, time, distance and calorie. Meanwhile, the display panel is