A) SOLID STEEL CONTRUCTION B) MAGNETIC FLYWHEEL PROVIDES SMOOTH, FRICTIONLESS ACTION C) FOLDS FOR EASY STORAGE-FREE STAND, SPACE SAVING D) RUNNING BED PROVIDES STABLE AND SMOOTH ACTION E) BUILT IN CASTERS FOR EASY MOBILITY OF THE UNIT F) 5 FUNCTION METER SCANDS SPEED, DISTANCE, TIMER, CALORIE G) 3 LEVEL INCLINE ADJUSTMENTS FOR VARIABLE RESISTANCE H) EXTRA FUNCTIONS: SIT-UP, TWISTING, MASSAGER (SPECIALLY FOR BURNNING CALORIES) I) IN FACT TREADMILL MORE WORK ONLY THE LOWER BODY, MASSAGER PROVIDE WORKOUT FOR UPPER BODY J) MAIN FEATURE: SPECIALLY FOR FAT BURNNING EXERCISE