When you need to be heard you need a megaphone. When you need a megaphone that does more than just amplify your voice you need the Pyle Pro PMP35R Handheld Megaphone Bull Horn with siren and voice recorder. This megaphone is designed for indoor and outdoor use features an 800 yard range and allows you to tune the volume. Record your voice and repeat the messages or use the siren mode to get everyone s attention. Perfect for work zones and athletic coaches the Pyle Pro PMP35R Handheld Megaphone Bull Horn is the megaphone you ve been waiting for.