ProGear 500LS Extended Capacity Flywheel-Drive Elliptical with Heart Pulse Sensors: * Steel construction * Includes heart pulse monitor and water bottle holder * 275 lbs weight capacity * Dual-action workout arms provide an upper body workout * Frontwards and backwards leg workout capability * LCD window with distance, calories burned, elapsed time, speed and heart pulse displays * 10lb cast iron "Flywheel Drive" for smooth continuous motion * Chain drive with 2 way striding capability * Larger pedal construction with ridge design to prevent foot slippage when exercising * Heart pulse sensors for targeting your heart rate zone * Dimensions: 37"L x 22"W x 61"H * Assembly required * Model# 91310