Pyle Pro PMP45R 40-Watt Professional Dynamic Megaphone

40W power; 1,000-yard range; 10-sec integrated audio memory; Replay & recording audio function; Indoor/outdoor use; Variable volume control; Tough housing; Built-in siren; Operates on included rechargeable batteries or requires 6 D batteries; Weight: 2.7lbs; Dim: 8 dia x 13.13L;