Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Feature:For use with ANY 12V vehicleEasy to installAttachment screws and brackets includedSpecifications:Loudness factor: 110dBPowered by: vehicles' electricity -- 12V / 4APower : About 48WFrequency: H 510 ¡À 25Hz ， L410 ¡À 25Hz[both of them have same tone]Colour: red and blackDimensions [aprox]: 12 x 8.7x 6.5cmNet weight:210gWeight:240gPackage includes:1*410Hz Horn Number1*Attachment screws