Approved whistle complete with white horn Ø 300 mm. Electric valve and mounting accessories, for compressed air operation 6/12 bar. Meets COLREG 1972 IMO class III regulations. Approvals: RINA, LLOYD’S REGISTER MCA, BUREAU VERITAS, BSH and NMMA. Technical details: Voltage - 12 V, Consumption - 4.5 A, Frequency - 315 Hz, Volume - 132 dB, Hose diameter - 8/6 mm, Dimensions - Ø 300 x 465 x 245 mm. For vessels of 20 to 75 m.