12V 24V Universal Car Horn Controller with 8 Sound Effects for Motorcycles Trucks Yachts Features： 1、Enhanced Sound Quality: Horn sound controller with 8 sound effects, optimizing current transfer and ensuring stable voltage to enhance horn sound quality. The sound becomes clearer and louder, providing an enhanced auditory experience. 2、Customizable Sound Effects: The controller offers 8 different sound options for your vehicle's horn, allowing you to personalize the sound of your horn to suit your style and preferences. 3、 Material: Made of high grade ABS plastic, the controller is designed to withstand daily use and harsh conditions. Its sturdy structure ensures long lasting durability. 4、Overload and Circuit Guard: Equipped with overload guard and circuit guard functions to prevent circuit overload or short circuits resulting from prolonged use or other reasons. These protective measures help extend the lifespan of the horn and vehicle electrical system. 5、Easy Installation: The controller is designed for fast installation and operations, providing convenient setup for users of any skill level, saving your time and effort, simple and efficient. Specification： Item Type: Car Horn Controller Working Voltage: DC 12V 24V Material: ABS Features: Horn sound controller with 8 selectable sound effects Fitment: Suitable for any 12V 24V vehicle horn Package List： 1 x Horn Sound Controller