*Compact and lightweight; this megaphone speaker is perfect for kids. Ideal for cheerleading and sports activities; it lets kids unleash their leadership potential. *With a max power output of 50 watts and audio projection up to 1000M; this megaphone speaker ensures everyone hears your voice. *A button-activated siren alarm is included for emergencies; making this an ideal tool for drawing attention or quickly calling for help. *This bullhorn megaphone speaker; with a detachable mic input with siren and recording options; can be used indoors and outdoors by police; firefighters; cheerleaders; trainers; movie directors; and more.