Voice Mode: The megaphone speaker has two audio modes. The voice mode is designed to amplify a voice or sound spoken into the microphone, and the amplified voice gives reachability. Another mode is the siren mode, which helps to attract attention in seconds.Multipurpose: The mega phone speaker is versatile and has been used by indoor and outdoor fire officers, mentors, police, firefighters, cheerleaders, schools, sports organizations, event organizers, and directors for various purposes.Versatile: The portable mega phone speaker is lightweight, fitted with a convenient carrying strap, and operated with batteries. It is the perfect device to bring along to your next special event. Also the powerful light makes it well suited to be used in the dark.High-power PA sound: The bull horn loud speaker has a high-powered PA sound with an amazing and wide sound projection range of up to 1000 yards. It also features an adjustable volume control for noise management during different situations.Compact and portable: The megafono bullhorns are compact and highly portable. It also has a convenient quick folding handle, making it easy to transport while on the go.