The Welch Allyn AED 10 was designed for simple operation and quick deployment. Using the "1-2-3" rescue approach, the AED 10 is ideal for the infrequent and basic rescuer. By following text messages together with voice prompts, virtually anyone can operate this lifesaving device. The instrument automatically determines if a shock is required and protects against in appropriate delivery of a shock. At just 3.5 pounds, the AED 10 is small, lightweight and portable. This compact AED is available with a durable carrying case and can be stored in a compact wall cabinet. High-performance, long-life, maintenance-free lithium batteries power the AED 10.