Sound horn with compressor for 12-20 m vessels. Includes white horn Ø200 mm, electric compressor and installation accessories. Meets COLREG 1972 IMO Class IV regulations. Approvals: RINA, LLOYD'S REGISTER MCA, BUREAU VERITAS, BSH and NMMA.<br />Horn Ø 200 mm, length 460 mm, sound volume 123 dB/630 Hz. Horn material brass, plastic mounting base.