Usage Tips:[ Essential Kit ] - Universal horn assembly kit for any 12V application, could be widely used it on for Golf carts , Car , and UTV, ATV, Boat or Scooters [ Super loud ] - Super loud electric horns, loud enough to get people's attention adjustable volume control setting (the black button on backside is for volume control could adjust it when connected) [ Easy to Install ] - The complete wiring harness kit can be installed at hand, the wiring harness is plug-and-play, the 105dB speaker has a deep sound and a very loud sound, which is perfectly matched with UTV vehicles. [Perfect Accessories ] - Perfect for helping to convert your cart it into a street legal golf cart you can drive on the road! You can honk at other golf cart drivers just like you would in your car or truck! Specification: Switch Voltage: 12V Fuse: 5V Loudness coefficient: 105DB Color of rocker switch light: Blue Colour:Black+red Material:Metal + plastic Package Contents: 1 * speaker 1 * harness with switch 1 * Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.