Snail shape design, Stylish red design,novelty and beautiful appearance.No tubes required,high and low double tone sound,snail structure cyclone high bass double sound,more pleasant and loud,Loud and clear sound can up to 135DB. Superior quality Chrome-plating aluminum and best ABS shell,shockproof and durable.Powerful:equipped with a new generation of air pump motor,voltage is more stable. Air intake protection system,Mounting angle downward,so that moisture can not collect in the horn.It works in a fresh or salt water environment and ideal for almost any weather condition. Fast and easy to install because it requires only one fixing point (and an electrical connection).The air horn adopts integration design,requiring no hoses and installing in minutes by simply transferring the factory horn wires to the compressor. Applicable to most 12V cars,yachts,ships,SUVs,bicycles,trucks,buses, vehicles and motorcycles.Warning:This speaker is really loud.Please do not use it near schools or hospitals. Material: Aluminum Pump Head +Steel Pump Body + ABS Shell and Parts v 2. Color: Red Sound Level: 130dB v Voltage: 12V Sound Type: Dual Tone Package Included:1 x 12V Car Air Horn Dual Tone Trumpet.Items from Sheng Xinshun's shop