The Sunny Health & Fitness Dual Resistance Magnetic Water Rowing Machine is designed to turn your living room into your own personalized regatta. Using water as a form of resistance, the 16 water blades deliver the intensity of rowing in a lake and emulate the smooth and natural feeling of rowing in the open water. With magnetic resistance you can add more resistance for a dynamic and challenging workout. It packs features to make your workout more comfortable and your sessions more productive. An advanced digital monitor includes metrics that lets you accurately measure and then help you achieve your fitness goal!