PylePro Model: PMP20Compact Battery Operated MegaphoneCompact Megaphone Speaker, Battery Operated, Siren Alarm Mode, Volume ControlFeatures:Compact Megaphone Speaker(2) Audio Projection Modes: Voice Talking & Siren AlertVoice Mode: Amplifies Your Voice as Spoken into the Microphone Siren Alert Mode: Amplifies an Emergency Tone Through the Megaphone SpeakerBattery Operated, Requires (4) x C Batteries, Not IncludedErgonomic Pistol Grip and Light-Weight ChassisQuick Folding Handle for PortabilityAdjustable Volume ControlPower Saving OFF SwitchFor Indoor/Outdoor UseTechnical Specs:Power Output: 20 Watt MAXAudio Projection Range: Up to 400+ YardsMegaphone Dimensions: Diameter 5.4 x Length 8.6The Pyle PMP20 Megaphone Speaker is compact, portable and powerful! With each iteration of flagship megaphones, Pyle has improved the battery life, power and ergonomic functionality. Control the crowd from a distance with an audio projection range of up to 400 yards. Additional features include switch-activated siren alarm mode, adjustable volume control, along with a convenient folding handle grip -- and its all housed in a compact battery operated design (requires (4) x C batteries, not included). Enjoy lightweight and versatile PA speaker control with the Pyle Compact Megaphone.