COMMERCIAL SKI MACHINE.SELF POWER GENERATOR SYSTEM OFFER HIGH WATTAGE OUTPUT QUITE RUNNINGAND LOW VIBRATION THROUGH OUTTHETRAINING.10.16 CM. (4”) FSTN. MATRIX CONSOLE DISPLAY, TIME, DISTANCE, SPEED, STROKES, CALORIES, WATT AND 8 DISPLAY OPTIONS FOR TRAINING.10 LEVEL OFAIR GENERATED RESISTANCE CONTRO..