The Sunny Health & Fitness(R) Rowing Machine provides a low impact aerobic exercise for those that want an effective workout at home that's easy on the joints. Cardio Killer Hydraulic cylinder resistance system with 12 levels of adjustment Targets multiple muscle groups simultaneously: arms, back, abs, gluts, legs Large anti-slip foot plates with adjustable straps for secure footing Ergonomically padded seat with cushioned non-slip grip handlebars offers comfort and support LCD Computer displays: time, count, total count, calories burned, and scan Additional Details Max user weight: 220lbs. Manufacturer Warranty - 3yr Structural Frame / 90day Other Parts and Components