COMMERCIAL AIR ROWER.DURABLE CHAIN DRIVEN SYSTEM FOR PROFESSIONAL ROWING.11.43 CM.(4.5”) FSTN MATRIX CONSOLE DISPLAY, TIME, DISTANCE, SPEED, PACE, CALORIES, WATTS, PULSE, MULTI TRAINING STYLES (JUST ROW OR SELECT WORKOUT) AND 5 DISPLAY OPTIONS FOR EACH TRAINING.SELF POWER GENERATOR SYSTEM OFFER HIGH..