The Lifeline Semi-Automatic Defib is a user-friendly Automated External Defibrillator designed for both professionals and bystanders, known for its simple two-button (Power On/Shock) operation, clear voice prompts, rugged design, and a standout feature of a long-life 7-year battery. This AED analyzes heart rhythms and instructs users to press the shock button if needed, delivering a life-saving electrical shock for sudden cardiac arrest, with pre-connected pads and automatic self-tests for readiness.