The ThunderPower 2000 Yard Bullhorn Megaphone Speaker is a high-powered megaphone system perfect for indoor and outdoor use. With a sound projection range of over 2000 yards and a volume level of 112 decibels, this megaphone will surely get everyone's attention. Choose between 2 megaphone modes: talk, and a siren alarm, to conveniently use the speaker for crowd control and traffic direction, especially during the night or in dark locations. With 45 watts of power, this megaphone is sure to get the job done. This compact and portable PA speaker features a broad bell diameter for extended projection to reach the masses. In addition, it features a carrying handle and shoulder strap for customized use and an auxiliary audio port for playing music with your favorite devices. With a portable battery-operated design, this compact handheld megaphone is ideal for military training, extensive crowd control, firefighters, security, and presentations to gatherings. The bullhorn requires 8 C batteries that are not included and has the cigarette plug for versatile power supply options. Make sure your voice is heard with the ThunderPowerEarthquake Maker Megaphone Speaker.