The VR100 is a High Quality Rowing Simulator at an Incredible Price! The patented internal resistance mechanism utilizes a combination of wind resistance and state-of-the-art eddy current resistance. The resistance increases as you pull harder, and vice-versa. Just like sculling in water! Six levels of resistance Level 1 is wind resistance only Level 2-6 combines wind and eddy current resistance Lightweight Aluminum Handle Nylon webbing for smooth, quiet performance Unit folds-up and includes built-in transport wheels for compact storage Wind resistance fan blows through a vent to keep you cool!