Megaphone Speaker - Shout + Alarm + Recording (240 seconds) - Red-Versatile: Has been used by indoor and outdoor firefighters, coaches, police, firefighters, cheerleaders, schools, sports activities, event organizers, and director megaphones who want to use this minimal megaphone for various reasons. VOICE AMPLIFIER MODE: Amplifies your voice as it is spoken into the microphone. Produces 30 watts of sound that can potentially cover 800 meters. Are truly enormous with the use of our amplifier. Lightweight 0.44kg and battery-operated alarm mode. SIRN ALERT MODE: Amplifies an emergency tone with adjustable volume control via the megaphone speaker. Our versatile megaphone truly rivals that provided by much larger and more expensive gadgets. VERSATILE: This portable megaphone with siren is surprisingly lightweight and has been equipped with a convenient carrying strap. Our megaphone speaker operates on just 4 x 2 batteries. Bring it with you to your next special occasion. BUILT-IN SOUNDS: It has been programmed with a wide range of sounds that will add excitement to your occasion. Use the siren when you need to stand out enough to be noticed. Our amplifying megaphones offer a range of audibles, including a siren.