Iontophoresis - IOMED Iontophoresis System - Companion 80 1.1cc, pack of 6 : IOMED Companion 80 has reserve battery capacity: compensates for patients with higher skin resistance. Features hypoallergenic adhesive: adheres well even in the shower treatment kit includes ionto electrode, dispersive electrode and alcohol prep. High tech design conforms well to treatment areas and fits comfortably beneath clothing.