... -1,12V/24V JGK-505VALVE,copper coil,flat base cover,Dual tone electric air horn One pair JGY-101-1, ... 12V/24V JGK-505VALVE,copper coil,flat base cover, ... Dual tone electric air horn Product features: 1, horn sound ... -101-1,12V/24V JGK-505VALVE,copper coil,flat base cover,Dual tone electric air horn