Description: 【Product List】: 2 car trumpets.Bell mouth size: 7.5cmx5.5cm Diameter: about 9cm. 【Material】: Car Trumpets are made of quality materials, impact resistant, and high temperature resistant, ensuring the working stability of electrical components. The back is made of piano paint, which is not easy to peel off. The contact trumpets uses tungsten points, which have better heat conduction and dissipation and longer service life. 【Direct Plug in Contacts】: Electric car Trumpets uses quality direct plug in contacts, which are more conductive and easy to install, saving you a complicated installation process. 【Good Sound Quality】: Motorcycle Trumpets adopt high current mode and enlarged trumpets design, which makes the sound of the trumpets loud and clear, with high and low tones and long time use. 【Scope of Application】: Truck Trumpets are suitable for various cars, motorcycles, and electric vehicles. Products can better meet your usage needs. Specification: Power Supply 12V Current 5A 600dB Size Chart: Bell mouth size: 7.5cmx5.5cm/2.95inchx2.17inch, Diameter: about 9cm/3.54inch Package Includes: 2 Motorcycle Trumpets Note: Please allow slightly errors due to manual measurement and different monitors.