Little Big Horn Megaphone - Emergency situations require emergency preparedness measures. That includes an easy to use, easy to store and very loud speaker to be heard clearly and distinctly. In the event of an evacuation everyone must hear instructions for crowd control. The Little Big Horn is loud you can hear it over 1,000 yards away. It even has a siren signal alert for getting everyone's attention. Features: 30 Watts, Neodymium Speaker, Rechargeable Batteries and Signal Alert Button