TweetDENOX LSM 150 MEGAFON ÖZELLİKLERİ ; 15W RMS MEGAPHON, 50W MAX POWER ,Siren function, Music,whistle are available as option, Sound cover approx.400m, ABS housing, 6×1.5V(size D) battery, Dimension: Ø200×330mm, 1.1kg