This stepper is markedly different to most of the other manufacturers offerings as it is cable driven, as opposed to most other commercial s, which are chain driven. The advantage of the cable drive system is: a very smooth feel, pleasantly silent motion and significant ease of maintenance. This unit offers unsurpassed quality, reliability second to none and a unit, which will perform optimally under any type of club use. This quietness of this unit makes it a top of the list choice for home use. Units with CardioTouch, offer the unit the option of monitoring their Heart Rate throughout the workout. The design of the ClimbMax 2000 offers speed options for beginner through professional athletes and the one touch keypad offers complete simplicity of use. Specifications: Workout programs : 6 Preset program profiles, 2 Heart Rate Control Programs (available with CardioTouch , or Polar,. 5 Advanced Options: Custom, Calorie goal, Group Racing, Solo Racing, Fitness Test & Manual. Display Features: Elapsed Time, Calories Burned, Distance Climbed, Heart Rate, Time Remaining, Calories Remaining, Calories/Hour, Floors Climbed, Level, Climbing Speed. Dimensions: 43"L 31"W x 59"H Speed Range: 10-200 feet per minute Weight: 151 lbs. Power: 110 Volts In Home Warranty: Lifetime (toll free) phone support, Lifetime frame, 1 year parts on all motors, 180 days parts on entire machine, 90 days wearable replacement / repair on pads, grips, belts and cables due to manufactures defects, 30 days labor reimbursement