The Pyle PMPRA514BK Megaphone is a lightweight and powerful 50-watt bullhorn that comes with multiple modes, including Talk, Siren, Music, Whistle, and a 60-second recording feature. The aux input allows you to stream MP3 and digital audio files, and the built-in automatic siren alarm is ideal for emergency situations. The megaphone features an ergonomic pistol grip and a shoulder strap for easy portability. It connects to external devices such as smartphones, tablets, and iPads, and operates on 8 'C' batteries (not included).