... , Yankee horn, Dual tone electric air horn One pair JGY-105-1,12V/24V,JGK-505VALVE,copper coil ,Yankee horn, Dual tone ... ,Tristan - da Cunha,Azores and Madeira Islands One pair JGY-105-1, 12V/24V,JGK-505VALVE,copper coil , Yankee horn, Dual tone ...