Universal horn controller for 12V-24V systems with enhanced sound1、Enhanced Sound Effect: The 12 tone horn controller effectively enhances the sound effect of the electric horn. By optimizing current transfer and ensuring stable voltage, the controller ensures the horn operates at optimal sound quality, making the sound clearer and louder. 2、Multiple Sound Effect: With 12 different sound options, this car horn sound effect controller allows you to personalize your car horn sound, giving you the unique style you desire. 3、High Strength Material: Made of high toughness plastic, this controller is designed to withstand the harsh conditions of daily use. Its sturdy structure ensures long lasting durability. 4、Overload and Circuit Guard: This controller comes with features like overload guard and circuit guard, helping to extend the lifespan of the electric horn and the vehicle's electrical system. 5、Easy Installation and Operation: The 12 tone controller is designed for easy installation and operation. Its user friendly design makes it convenient for users to install and operate the device, saving time and effort.