The Pyle PMP51LT Megaphone Speaker is perfect for crowd control, outdoor events, and emergency situations. It offers two audio modes: Talk mode for clear voice amplification and Siren mode for emergency alerts. The megaphone features a built-in Led light for increased visibility, adjustable volume control, and a coiled-cord handheld microphone for easy operation. With a high-powered 50W output, the megaphone offers a sound projection range of over 1,200 yards. Its ergonomic pistol grip design ensures comfortable use, while the lightweight chassis makes it easy to handle. Powered by 8 'C' batteries (not included), it is portable and convenient, with a sound level of 105 dB at 40 cm. This megaphone is commonly used by U.s. service personnel and is ideal for outdoor gatherings or emergency situations.