15W max power output for clear and effective sound projection Built-in microphone for hands-free operation Compact, portable, and durable design for easy handling Built-in automatic siren function for emergency use Adjustable volume control for customizable sound output Talk, siren, and record switch for versatile communication options Ergonomic pistol grip and lightweight chassis for comfortable handling Trusted and used by the U.S. Armed Forces Battery-powered (requires 6 x 'AA' batteries, not included) Projection range up to 600 feet for effective communication