Additional Features: Upright rail-less configuration encourages an improved exercise posture for the best lower-body workout of any climbing machine. :: Patented, independent pedal geometry ensures safe, biomechanical correct movement :: New computer console motivates you during your workout with different program options and workout statistics :: Speed control buttons allow you to increase or decrease the intensity of stepping action at any time during your workout :: Space-saving design fits in less than 2'x 4' of floor space :: Electronically controlled brake precisely controls the pedal descent from 26 to 174 steps- Includes Polar Heart Rate monitor capability