Buy from Amazon.co.uk : http://www.amazon.co.uk/gp/product/B002PB23SO?tag=1001consej026-21 <br /> <br />Pyle-Pro PMP50 50W Megaphone with Siren <br /> <br />Professional piezo dynamic 50 watts megaphone with usb function <br />Powerful piezo driver and large bell diameter for projection range up to one mile <br />2 modes talk and siren variable volume control <br />Ergonomic pistol grip and light weight chasis <br />Measures 9 diameter by 13-34 length
