Hamilton Electronics' 15-Watt Megaphone is lightweight, affordable and durable, making it a great choice for sporting events and outdoor gatherings. Use the plastic and steel megaphone inside or outdoors and project your voice up to a quarter of a mile. Features include a hand-held wired microphone, built-in siren and up to 10 seconds of recording time with playback. Runs on 6 "D" batteries (not included).