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. Microprocessor control unit ensures synchronous operation of all four columns. Heavy-gauge 1 ½ “(3.8 cm.) diameter stainless steel handrails on three-section slim line lifting columns that provide maximum lateral stability, even in the highest bar position. Height monitoring functions ensure reliable operation and safe switch-off in case of a fault.