Project your voice up to one mile with Amplivox’s Lightweight 25-Watt Megaphone. The high-powered megaphone is weatherproof so you can use it outdoors during weather emergencies. At less than three pounds, the megaphone is a cinch to carry and use. Adjust the volume on any of the three modes – talk, siren or whistle. Includes a weather-resistant nylon carrying case with a clear plastic identification slot.