We have a Demo StairMaster SC916 StairClimber. This model has only been used for demonstration purposes and is in excellent condition. The SC916 StairClimber provides ten different work out programs, a back lit LCD display, accessory/drink holders, and a Polar heart rate monitor. This model is also designed with a electronically controlled alternator with a chain drive system which allows the climber to raise and descend smoothly in order to provide a more comfortable workout experience. For more information please give us a call at . You can also visit our website at http