Features: Customizable Sound Effects: With 12 different sound options, the Car Horn Sound Effect Controller allows you to personalize your car horn's sound. Adjustable Volume Levels: Each sound effect comes with its own volume level, giving you the flexibility to choose the perfect volume for any situation. High-Quality: Crafted from high-quality plastics, this controller is built to withstand the rigors of daily use. Its sturdy construction ensures long-lasting durability. Stylish Metal Knob Design: The metal knob design not only adds a touching of sophistication to your car's interior but also provides a comfortable grip for easy control. Easy Installation and Compatibility: It is designed for hassle-free installation and can be easily connected to various car horns, supports a working voltage of 12-24V. Specifications: Material: Plastics Voltage: 12-24V Item Size: 88 * 58 * 35mm/ 3.5 * 2.3 * 1.4in Item Weight: 142g/ 5.0oz Package Size: 120 * 90 * 78mm/ 4.7 * 3.5 * 3.1in Package Weight: 180g/ 6.3oz Packing List: 1 * Horn Controller