2PCS Universal Car Horn Motorcycle Horn Super Loud Auto 12V Vehicle Boat Snail Air Horn Waterproof

Features: 300DB Train Horn offers loud sound, Quality metal material, which is waterproof, sturdy and durable in use. Featuring an extremely powerful injected mini-compressor paired with snail design to provide excellent performance.Lightweight and compact, easy to install, convenient and practical. Suitable for almost vehicles, truck, SUV, passenger cars, boats, and motorcycles, etc.Specification: Color: BlackMaterial: ABS + metal Size: 10588mm/4.133.46inVolume level: 300DBFrequency: 410Hz(Low)/510Hz (High)Application: truck, SUV, passenger cars, boats, and motorcycles, etc.Note: Please allow 1-3cm (0.4-1.18in) difference due to manual measurement and slight color variation for different display setting.