Pedal exerciser, may be used on floor to exercise legs, or on a table to exercise arms. Either way a great cardio exercise. Tension knob may be adjusted to provide variable degrees of exercise. The foot straps are adjustable adding comfort and flexibility to a smooth and effective low impact workout in the comfort of your home. No need to go out in the weather, just sit back in your chair, place the pedals on the floor in front of you, and ride the wind. Compare the cost of this exercise equipment to almost any other, and you will find that it is not only effective and also economical.