15 W megaphone with a range of 300 m (900 m in open field) and 8 hours autonomy in voice reproduction. Powered by 8 LR6 batteries. It incorporates a microphone and a whistle and siren tone emission. For groups of up to 200 people. Dimensions 190 Ø x 315 mm. Weight 1 kg. Red colour. OPTIMUS model ref. JE-303ASW.