Description: This dual trumpet air horn is constructed out of chrome plated zinc, which can ensure maximum strength and durability for long lasting usage; and is designed to be weather resistant. It can emits a loud powerful tuned train sound. It can produce sound as loud as 300DB.  The great bellowing sound catches everyone's attention and is heard all over. Specifications: Material: Chrome plated zinc. Color: Silver/Black. DB Output: 300DB. Voltage: 12-24V. Short Trumpet Length: 22.5cm / 8.86'. Long Trumpet Length: 28.7cm / 11.3. Electric Value Length: 10cm / 3.94. Flat Base Size: 15.5 x 8.5cm / 6.1' x 3.35'. Fitment: Suitable for car, boat, truck, lorry etc. Features: 1. Made of chrome plated zinc, to ensure maximum strength and durability for long lasting usage. 2. With a polished shiny chrome horn they cast a striking appearance on any vehicle mounted. 3. Designed for customers looking for a loud and affordable air horn. 4. This train horn can fit in most vehicle, but deliver the big sound you need. 5. Dual trumpet chrome air horn with electric valve, flat base. 6.Easy to install. The horn kit includes basic mounting hardware. Note: This air horn needs an air source which is not including. 2. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package Included: 1 x Dual Trumpet Air Horn;  Some Accessories