The S601 Mity-Meg from AmpliVox Sound Systems is a 15W megaphone which allows you to be heard up to 900 Yards away. The S601 features battery indicator lights. It also features Talk, Siren, and Whistle modes, and has adjustable volume and gain control.
Battery indicator lights
In the Box
AmpliVox Sound Systems S601 Mity-Meg 15W Megaphone