Whosaler Car Horn System 1.Wireless Remote Control Electronic Siren 1.Voltage:DC 12/24V ... easy to operate , stable property, reliable quality , suitable for all kinds of cars ,Popular ones .2. Install the ... artistic.3. Widely applies in all the cars for the army, the public security, the fire prevention ... on vehicles and station, square, ships, wharf for warning. It is the most advanced, most fashionable ...