The 350P is a clinically advanced, lightweight, compact, easy-to-use, and portable AED. Audio and visual prompts guide the user step by step through the rescue process. Designed so that anyone, anywhere, anytime can save a life. Features SCOPE Technology; HeartSines unique biphasic waveform gives unrivaled performance and optimizes the chances for defibrillation success. Automatic self-check. 8-year warranty.