Super-loud disk horn from Sickspeed. Looks and sounds great on motorcycles, ATV's, and boats. Let them know you're coming with this 118dB horn. Uses a standard blade connector on the back. Horn has a diameter of 123mm (4.8"). Horn has a depth of 70mm (2.7"). For use with 12V systems. **NOTE: These horns are universal, NOT OEM REPLACEMENTS, and not designed for any one vehicle in particular. Be sure to check the above dimensions prior to purchase. Don't forget to check out our other listings for parts and accessories to suit your ride. We are always expanding so keep an eye out for more supreme quality products from Sickspeed. Purchase includes a die-cut vinyl decal: Check out the manufacturer's website for more info and pics.