Note: Due to the sale we are having on this stepper. We can not extend our 12 months same as cash offer. However, we can offer 90 days same as cash. The StairMaster 4000 PT revolutionized the fitness industry in the mid-1980s. Superior cardiovascular workout tones and conditions major lower-body muscle groups with less impact than conventional aerobic machines. Features: Patented, independent pedal geometry ensures safe, biomechanically correct movement. Electronic braking mechanism precisely controls the pedal descent - from 26 to 174 steps a minute. New computer console displays elapsed time, calories burned, miles/km traveled, floors climbed, step rate, relative exercise intensity (METs) and power output (watts) for workout-to-workout comparisons. 7 different workout programs - each with 20 levels of intensity, plus manual/self-pace, a fitness test, and quick start feature. Speed control buttons allow you to increase or decrease the intensity of the stepping action at any time during your workout. Patented four-bar linkage on the pedal arms keeps the pedals level at all times throughout your full range of movement. Specifications: Height: 58 in. (147cm) Length: 44 in. (103 cm) Width: 32 in. (81 cm) Weight: 130 lbs. (59 kg) Voltage: Standard 110 outlet 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 NOTE: The difference between the two newer StairMasters and the original Stairmaster is in regards to the speed and resistance levels. With a new climbers, you can change the speed and resistance in the middle of a program workout, whereas with the old climber you cannot. In the manual workout both styles are identical.