Dual Trumpets Speaker 600DB 12V Car Electric Horn Fit Car Boat Train Haokixin 600DB Super Loud Dual Electric Train Horns for Trucks, SUVs horns 600dB 12V 600DB 12V 1000DB Dual Trumpets Truck Boat Train Speaker Super Loud Car Electric 600DB 12V Dual Trumpets Super Loud Car Electric Horn Truck Boat Train Super Loud Car Electric Horn 1000DB 12V Dual Trumpets Truck Boat Train. 600DB 12V Dual Trumpets Super Loud Car Electric Horn Truck Boat Train Speaker Item Description Features: 1. Stronger air pressure can be made of upgraded air compressor and larger coil, which can prompt the horn emit a louder and clearer sound. 2. Compatible with 12V system, can be used for SUV, motorcycle, yacht, boat, offroad vehicle, bus, train, etc. 3. High quality chrome plated zinc and aluminum alloy materials, hard, durable, wearresistant and corrosionresistant, and also has long service life. 4. 600dB sound level, has stable performance, and higher work efficiency. 5. Easy to install: can bring you more convenience. It also comes with a universal mount to make installation easier. Specifications: Material: Chrome plated zinc Color: Silver DB Output: 600DB Voltage: 12V Fitment: Suitable for car, boat, truck, lorry etc. Package Included: 1 x Dual Trumpet Electric Horn