30W megaphone with up to 500 square yards communication range Waterproof design for durability in outdoor environments Rechargeable battery for convenient cordless operation Bullhorn-style design with handle and shoulder strap for easy carrying Adjustable volume and tone control for clear and customizable sound Multi-functionality: Siren, Music, Megaphone, Speaker, and 240s Recording Includes plug-in handheld microphone for easy voice projection Lightweight and portable design with ergonomic pistol grip Battery-operated option (requires 4 x 'C' batteries, not included)