-(Sturdy build & Foldable design) Metal And Plastic Frame material, as far as possible to meet your needs. Easy folding mechanism helps you free up floor space by folding your treadmill up-(0-8MPH And Transport Wheel)Premium vacuum motor reduces noise while running indoor while the safeguard emergency stop key keeps you in control at all times, 0-8MPH digital Fast speed adjustment function-(3 Modes And 12 Automatic Workout Programs)Reach your goals with pre-set programs, monitor your progress when running without a program using the 3 built-in modes of distance, calories burned and time passed-(Dynamic Knee Protector & Safe Non-slip Design)The running area is flat and enjoys a great amount of friction. What’s more, its interior is specially designed to cushion your running and protect your knees, grass pattern anti-slip belt design