... 1790*600*4.5mm AC motor with automatic vector control frequency inverter Luxury Commercial Motorized Treadmill fitness equipment BY-H081. ... , calories, pulse rate, couterdown. 4. CONTROL SYSTEM:AUTOMATIC VECTOR FREQUENCY CONVERSION CONTROL WITH 8 KINDS OF DIRECT SPEED KEYS TO ... WITH HI-FI SOUND FUNCTION WITH TIME,DISTANCE,PULSE SET WITH LED DIAL INSTRUMENT DISPLAY WITH AUTOMATIC TIGHTEN RUNNING ...