Features: 1.The klaxon has good sound quality, and its frequency is extremely stable 2.It has long service life, stable and reliable to use 3.Anti-interference, not affected by vibration, low temperature, high temperature and voltage changes. 4.Permanently maintain the sound that user set, practical for using. 5.Easy to install, no complicated tools required. Specification: Features: 1. The klaxon has good sound quality, and its frequency is extremely stable. 2. It has long service life, stable and reliable to use. 3. Anti-interference, not affected by vibration, low temperature, high temperature and voltage changes. 4. Permanently maintain the sound that user set, practical for using. 5. Easy to install, no complicated tools required. 6. Surface treatment by cathodic electrophoretic coating, which is corrosion resistant. 7. Technical performance index, stability and reliability meet the requirements of the vehicle. 8. Strict heat treatment process and oxidation resisting metal contacts, ensure consistent performance. 9. Good waterproof performance, vibration resistance, it can withstand -40 to 90 test temperature, and the sound quality remains stable over 200,000 consecutive calls. Specification: Condition: Item Type: Klaxon Material: Metal and Plastic Voltage: 12V Body Color: Chrome Plated Sound Pressure Level: 110db Frequency: 490Hz Diameter: Approx. 3.5in Length: Approx. 8.7in Installation: 1 bolt for installation and 2 terminal for connecting Application: Designed for car, truck, RV or any 12V vehicle Package List: 1 x Klaxon 1 x Install Accessory Package PackageList: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.