The New Super Power Electronic 4 Inch Black 6 to 12 Volt DC Siren Horn ES-626 is an electric horn designed for easy installation on car, truck, caravan, or train vehicles. With a 110 dB DB rating, this vintage part offers universal fitment and can be placed on the left or right side of the vehicle. Manufactured by Super Power Electronic, this black siren horn is compatible with a range of vehicles and provides a powerful sound to alert other drivers.