Califone PA-15 Handheld Megaphone with 244 Foot Range lets everyone hear you loud and clear. Our portable megaphone with mic uses the latest communication technologies to ensure that educators and students can hear your critical messages from up to 244 feet away. This wireless megaphone is built with rugged durable ABS plastic for indoor or outdoor use to withstand all kinds of weather conditions. Our high-quality electronic megaphone speaker is perfect for planned events or drills and emergency response situations. The speaker features a volume control for the emergency siren/alert operation a built-in electret microphone 15 watts RMS of power an accessible on/off switch and a strapped handle. This item has a 1-year warranty.