Product Overview This pair of snail-style car horns works under both 12V and 24-V power supply systems for cars, trucks, SUVs and motorcycles. It delivers loud and resonant sound to remind surrounding vehicles and pedestrians to ensure your driving safety during road travel. Core Features - IP-rated waterproof outer casing guards internal parts against rainwater splashes and humid driving environments. - 12-24V wide-voltage compatibility adapts to passenger cars, pickup trucks and heavy-duty vehicles. - Optimized snail-shaped internal structure produces deep resonant sound instead of thin harsh noise. - Anti-rust metal internal components keep stable sounding performance after long-time use. Product Advantages Compared with stock weak-sound factory horns, this snail-horn set provides much louder and deeper sound for better road-warning effects. The waterproof design lets them work steadily even during rainy-day driving without internal short-circuit damage. It can be installed on nearly all common vehicles with either 12-volt or 24-volt power supply without extra voltage-conversion modules. The included mounting hardware makes installation simple for DIY vehicle-modification lovers. High-quality internal parts avoid sounding distortion after long-term vibration during vehicle driving. Application Scenarios Suitable for daily passenger cars, off-road SUVs, pickup trucks, motorcycles and medium-sized trucks. It can replace original factory horns or serve as an upgrade component for car-modification projects. It fits vehicles used on city streets, highways and rural-area roads under all-weather driving conditions. Practical Value The loud and clear warning tone lets other drivers notice your vehicle in time to decrease collision risks during lane-changing or highway-driving. Upgrading to this horn set improves your driving safety and brings reliable performance for long-distance road trips in different weather conditions.