The horn loudness can issue a warning that cannot be ignored, attracting more attention and helping to avoid accidents on the road by alerting other vehicles and pedestrians. [General Speaker] - Suitable for DC 12V vehicles such as automobiles and trucks. Compatible with most motorcycles, all-terrain vehicles, karts, off-road vehicles, pocket bicycles, and 12V power cars. Customizable Sound Effects: Features 10 different sound options, allowing you to personalize your car horn's sound. Adjustable Volume Levels: Each sound effect has an adjustable volume level, providing flexibility to choose the appropriate volume for any situation. Impedance: 8 Ω Sound Level: 150 dB Supply Voltage: A separate controller set is suitable for 12V–24V voltage; if purchased as a complete set with speakers, it is only suitable for 12V voltage Current: 2 A Working Temperature: -60°C to 80°C Applicable Model: Compatible with various 12V cars, sedans, SUVs, and other motor vehicles Note: Installation guide not included. Please verify compatibility before purchase. Tips: Product design may vary slightly between batches. Minor differences in appearance or color may occur, which do not affect functionality. Color: As shown Material: Plastic Package Contents: 1 x Electronic Horn Controller 2 x Horn Only the above items are included; other accessories are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement error allowance: ±1–3 cm.