The Pyle PMPRA213PK Megaphone delivers 20 watts of powerful sound for clear communication in any setting. Featuring multiple modes, including Talk, Siren, Music, Whistle, and a 60-second recording feature, this megaphone is versatile for various situations. The built-in automatic siren alarm is ideal for emergencies. You can also stream MP3 and digital audio files through the aux input. Its ergonomic grip, lightweight design, and shoulder strap make it easy to carry and use. Powered by 4 'C' batteries (not included), it s perfect for both indoor and outdoor activities.