ZOLL AED (Automated External Defibrillator) is a life-saving device that provides voice and visual guidance, along with unique Real CPR Help technology, to help rescuers deliver effective CPR and shocks for sudden cardiac arrest (SCA) victims, featuring one-piece pads for easy placement, real-time feedback on compression depth/rate, and automatic/semi-automatic shock delivery, ensuring high-quality care for all SCA patients.