Power height-adjustable parallel bars. Digital display on conveniently located user-friendly control panel shows exact bar height. Memory buttons allow storage and recall of four separate bar height settings. Solid state digital control unit ensures synchronous operation of all four columns. Heavy-gauge 1 1/2" diameter (3.8cm) stainless steel handrails on three-section slimline lifting columns that provide maximum lateral stability, even in the highest bar position.