Its power source is that the user generates backward thrust through his buttocks, knees, ankles and related muscles, and pushes the treadmill to produce movement. Main functions: walking perspiration, aerobic running, thin waist and hips, walking backwards.LED display, gravity flywheel, non-slip running belt, front cover of running belt. Material: The surface of the steel pipe is white body high temperature baking paint, ABS engineering plastic parts. Running belt size: 110 34cm. Steel frame structure: 50 25mm. LCD display: rate \ time \ mileage \ calories. 1x English instrument (without battery). The item "Folding Treadmill Running Jogging Walking Fitness Mechanical Cardio Exercise Gym" is in sale since Friday, September 11, 2020. This item is in the category "Sporting Goods\Fitness, Running & Yoga\Cardio Equipment\Treadmills". The seller is "shinelife_love" and is located in California/New Jersey. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Mexico, Brazil, Australia.