Features: 1.High volume horn with unique waterproof and dustproof cover, provides long life service 2.Copper terminal with better conductivity, stable characteristics and high reliability 3.Ultra loud tone has a warning effect, improve your riding or driving safety 4.Attachment screws and brackets are included, easy to install 5.Universal fit for cars, trucks, bikes, boats with 12V power supply Specification: Features: High volume horn with unique waterproof and dustproof cover, provides long life service. Copper terminal with better conductivity, stable characteristics and high reliability. Ultra loud tone has a warning effect, improve your riding or driving safety. Attachment screws and brackets are included, easy to install. Universal fit for cars, trucks, bikes, boats with 12V power supply. Specification: Condition: 100% New Material: Plastic, Metal Color: Red + Black Voltage: 12V Tone Type: Dual-Tone Max. Power: 120W Rated Power: 100W Current: 4A Sound Output: 135db (1 pair) Frequency: 401HZ Size: Approx. 9.5 x 8.7cm/3.7 x 3.4in (including screw height) Package Weight: Approx.468g Fitment: Universal fit for cars, trucks, bikes, boats with 12V power supply Package List: 2 * Snail Horns 1 * Mounting Hardware Pack PackageList: