... -502 valve with copper coil,Dual tone electric air horn One pair JGY-102-2,12V/24V,JGK-505valve( ... raised base cover,Dual tone electric air hornProduct features: 1, horn sound quality good, frequency extremely stable2, long service life, price ... ,Benin,Botswana,Burkina Faso,Burundi,Equatorial Guinea,Togo,Eritrea,French Polynesia,French Guiana,Cape Verde,Falkland Islands,Gambia,Congo,Democratic Republic ...