Electronic trumpet ew2-ms approved bitonal

Approved two-tone electronic trumpetR.I.Na. No. ELE/556806CS/1 and LLOYD'S REGISTER MCA Bureau Veritas and NMMA in accordance with COLREG 72 IMO class III international regulations, mandatory for all merchant and tourist vessels from 12 to 20 m, with voice amplifier and automatic fog signal. Sound level 120 dB, 690 Hz. Power supply 12V., absorption 3 Amp.Weight kg. 3.9