Croove Megaphone Bullhorn With Siren, 30 Watt Powerful and Lightweight POWERFUL - This compact bullhorn produces 30 watts of sound that have the potential to cover 800 yards! PORTABLE - The bullhorn is extremely lightweight and has been fitted with a convenient carrying strap, making it easy to tote around EASY TO USE - Our bullhorn operates with only 4 D batteries and is equipped with a user-friendly control panel. MULTIPURPOSE - Crooke's megaphone has been used by event organizers, law enforcement, fire departments and rescue teams throughout the country. BUILT-IN SOUNDS - Unlike other megaphone bullhorns, ours offers a siren and a song