Modulated electronic impulses are generated through stainless steel contact nodules. Impulses provide facial and neck muscle exercise by gently contracting and relaxing muscles. Twin hand-held units enable both sides of the face or neck to be toned at the same time. Features 3 Programs: Deep Skin Toning, Surface Skin Toning & Enhancing Routine. The LCD screen displays program, intensity and elapsed time. Simple and easy controls. Hand-held units store inside egg shaped divider for convenience and safety. User guide indicates correct positions to place nodules on face and neck for effective results. Designed and developed in UK.