Designed for the ordinary person in the extraordinary moment, the Phillips Automatic Heart Start Defibrillator and Carry Case is ready to act and virtually ready to go. It allows anyone with little or no training to treat the most common cause of suspected sudden cardiac arrest (SCA) by delivering a shock quickly and effectively, wherever SCA happens. The HS1 provides practically real-time guidance through step-by-step voice commands from pad placement to performing CPR.