The Pyle PMP35R Megaphone Bullhorn is compact, powerful and portable. With each iteration of flagship megaphones, we’ve improved the battery life, power, and ergonomics. Features include voice recording capability with 10 second integrated audio memory that allows you to easily record your voice and repeat the message. Enjoy 30 watts of output power, so the sound will reach up to 800 yards away! Also includes built-in button activated siren alarm function, adjustable volume control, convenient folding hand grip and the durable style is even trusted and used by U.S. Armed forces. Battery powered and required 4 x 'D' batteries (not included). Works great indoors or outdoors. MULTIPURPOSE: Has been utilized by indoor & outdoor fire officers, mentors, police, firefighters, cheerleader, schools, sports activities, occasion organizers and director megaphone want to utilize this minimal bullhorn for various reasons. VOICE AMPLIFIER MODE: Amplifies your voice as spoken into the microphone. Produces 30 watts of sound can possibly cover 800 yards. Truly are huge w/ it goes to the utilization of our amplifier. Lightweight 1.83 lbs. & alarm mode battery operated. SIREN ALERT MODE: Pyle PMP35R White amplifies an emergency tone with adjustable volume control through the megaphone speaker. Our versatile bullhorn really equals that of which is delivered by significantly bigger and considerably more costly gadgets. VERSATILE: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. Our megaphone bullhorn speaker works with just 4 D batteries. Bring it with you to your next exceptional occasion. BUILT IN SOUNDS: It has been programmed with a wide range of sounds that will add fervor to your occasion. Utilize the siren when you need to stand out enough to be noticed. Our amplifier bullhorns offers a scope of audibles including a siren.