Mini Screaming Banshee horn upgrade fits in our horn covers is a 126 Decibels loud - Louder than OEM horns. 12V, Sound Level: 126 dB Deep Tone: 410±20 Hz, more effective in real street conditions. Easy Install - The Mini-Banshee Horn is a plug and play install. No additional wiring or relays needed for installation. 126 Decibels loud - Louder than OEM horns 12V, Sound Level: 126 dB Deep Tone: 410±20 Hz, more effective in real street conditions. Universal Fit - The Mini-Banshee fits on most mid-size and sport bikes. And the Mini will fit under the OEM horn covers for all American and metric cruisers. Easy Install - The Mini-Banshee Horn is a plug and play install. No additional wiring or relays needed for installation. Dimensions - H4" x W4" x D 2.5" Warranty - Industry leading 2-year warranty upon registration of purchase Install video https://youtu.be/IfU_5C3Vo9o