... pair JGY-104, 12V,24V,JGK-502VALVE, w/plastic pipes ,Dual tone electric air horn One pair JGY-104,12V,24V, ... JGK-502VALVE,w/plastic pipes ,Dual tone electric air horn Product features: 1, horn sound ... a replacement. Please contact me before you return it. 2. If item is defective in 3 months, We will ... pair JGY-104, 12V,24V,JGK-502VALVE, w/plastic pipes ,Dual tone electric air horn