● The CanDo® Magneciser® horizontal table-top shoulder exerciser offers ultra-quiet magnetic, bi-directional resistance to exercise muscles and joint of the shoulder, arm, wrist and upper body.. ● Arm adjusts from 13 to 22 inches to adjust the arc of the horizontal shoulder wheel. ● Each unit comes with a fully automatic 5-function digital LCD display; speed, elapsed time, calories, distance and scan of ...Show more all functions. ● Resistance is controlled by turning the resistance knob. ● Units use 2 AA batteries (included) ● Dimensions: 15" x 11" x 38" ● Weight: 31 lbs