Item Name: Motorcycle Siren Dual Tone Car Air Horn Car Low Hight Horn Speaker Super Loud. Color: Royal BlueQuantity: 1 pairFrequency: 335Hz (Low Tone) 400Hz (High Tone)Diameter:12cm / 4.72inch100% brand new and high qualityOutput: 110dB +/-5dbDesigned for Cars, Trucks, Motorcycles Voltage: 12VMaterial:aluminumPackage Included:2pcs HornsNote:1.Please allow 1-2cm error due to manual measurement.
