Brand New Made of Steel and coated in Black Color for a Long Lasting FinishIncludes 2 Universal Mounting BracketsNo External NeededUniversal fit for car.Colour: Redmaterial: metalConnection:Does not distinguish postive and negtive: 1 pairDiameter12cm / 4.72"8.5cm Mounting BracketSound Output: 118-139DB - 300-500 HZPower Consumption: 2 x 66WFrequency: 300Hz (Low Tone) 500Hz (),Soud output: 1x118dB 1x139DBVoltage: 12VSupertone horns are particularly suitable for extreme conditions since they have a greater penetration force due to their size and more electrical drive.This particular model has a focused and high-penetrating power tone for drivers who to be heard.Hence the reason this model as the Best in Range.It offers the while combining power, durability and style and is suitable for rugged use and off-road driving.With universal mounting brackets, installation is simple and a breeze. No additional work is required. your hands on the Super Tone and you will be to draw attention when you hit the knob, a 118 - 139dB Package includes: 1 pair 139Db HornNote:Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/-1-3 cm.