Super Loud Round Dual Tone Car Air Horn for Autos Electric Horn Super Loud Round Dual Tone Car Air Horn for Autos Specifications: Designed with dual tone design, the product can better meet your using requirements. You can enjoy the excellent advantages of easy installation, stable performance and high volume. Adopting high-quality plastic, metal and magnet, the product is durable and sturdy. The product length is 20cm, width is 10cm and height is 9.5cm. It can be widely used for 12V trucks. Item name: car air horn Material: magnet Color: Black Voltage: DC 12V Current: 2.5A Sound Level: 110dB Frequency: 435Hz Features: Super Loud, Electric, Dual Sound Size Details: Product Size: 20cm x 10cm x 9.5cm/7.87" x 3.94" x 3.74" (Approx.) Trumpet Diameter: 10cm/3.94 "(Approximately) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurement. Package includes: 1 x Car Air Horn