This rowing machine uses a solid 3 KG flywheel and silent aluminium slide rail to provide a smooth & enjoyable workout without affecting others. Keep it private and quiet. This magnetic rowing machine offers 16 levels of resistance, you can have various workout options, from easy to challenging. It uses 84% of muscle mass every stroke and recruits both the aerobic and anaerobic systems to provide one of the most efficient workouts you can do. It ensures that you stay comfortable throughout every workout. The smart LCD monitor allows you to track your rowing performance with real-time statistics. Performance metrics measured include Scan, Time, Calories, Distance, Count, Total Count, and Reset.