PylePro Model : PMP20 Compact Battery Operated Megaphone Compact Megaphone Speaker, Battery Operated, Siren Alarm Mode, Volume Control Features: Compact Megaphone Speaker (2) Audio Projection Modes: Voice Talking & Siren Alert Voice Mode: Amplifies Your Voice as Spoken into the Microphone Siren Alert Mode: Amplifies an Emergency Tone Through the Megaphone Speaker Battery Operated, Requires (4) x ‘C’ Batteries, Not Included Ergonomic Pistol Grip and Light-Weight Chassis Quick Folding Handle for Portability Adjustable Volume Control Power Saving OFF Switch For Indoor/Outdoor Use Technical Specs: Power Output: 20 Watt MAX Audio Projection Range: Up to 400+ Yards Megaphone Dimensions: Diameter 5.4'' x Length 8.6'' The 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 it’s 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.