Diamondback Fitness 910R Indoor Rower 16 Levels of Magnetic/Air Resistance with Real Time Tracking Provided by the Large LCD display (speed, time, distance and calories) Motivating Race Programing and Heart Rate Monitoring Polar Chest Strap is required Extruded Aluminum Frame with Solid Steel Supports, Large Ergonomically Designed Seat for Comfort and Support, Pivoting Foot Rests with Large Straps Folds Quickly and Easily for Storage and has built-in Transport Wheels for Added Mobility User Weight Capacity: 300 lbs.