Wider Running Belt- The running belt 43.8 x 15.5 inch of the treadmill for home is made of 5 layer non slip textured material, which is extremely flexible and comfortable that allows you to walk, jog or run more freely. 4 silicone and 6 built in shock absorbers of the foldable treadmill form the scientific shock absorptive system so as to provide maximum protection to joints and ankles. Tested Treadmill- The stablility of the motor is the biggest advantage of DONOW treadmills. Powered by a tested 3.0HP motor, DONOW home treadmill reaches a maximum speed of 6MPH while operating quietly at 45DB. This ensures a smooth workout experience and extending usability.