PylePro Model : PMP53INMegaphone with Builtin Siren ModeMegaphone Speaker PA Bullhorn with Siren Alarm Mode, Handheld Microphone, AUX Input, Volume ControlFeatures:(3) Megaphone Modes: Talk + Siren + MP3/AUXConvenient CoiledCord Handheld MicrophoneButton Activated Continuous Siren Alarm ToneAdjustable Volume ControlConnect & Stream Audio from External DevicesAux (3.5mm) InputSimple Button Control OperationHighPowered Audio ReproductionWide Bell Diameter for Extended Sound ProjectionErgonomic Pistol Grip & Lightweight ChassisBattery Operated: Requires (8) x ?C? Batteries, Not IncludedTechnical Specs:MAX Power Output: 50 WattAudio Projection Range: Over 1,700?+ YardsSound Processor: Dynamic Piezo DriverDimensions: 9.0'' (Diameter) x 13.8'' (Length)The Pyle PMP53iN Megaphone PA Speaker features highpowered audio projection. With each iteration of flagship megaphones, Pyle has improved the battery life, power, and housing ergonomics all designed with a formfitting handheld design in mind. An impressive 50 watt power output allows you to control the crowds up to 1,700 yards away Additional megaphone features include a wired handheld microphone for voice and talk projection, builtin continuous siren alarm mode, adjustable volume control, Aux (3.5mm) input jack to connect and stream audio from external devices and it?s all battery operated, requiring (8) x ?C? batteries (not included). Control the crowd and enjoy versatile audio projection ability with the Pyle Megaphone PA Speaker System.