Feature:Waterproof, Sturdy and durableEasy to installLong service lifeIt can be protective when connect the wire inversely or wrong.All DC12-80V Vehicles UniversalMainly used for Car ,excavators, construction machinery, special vehicles, parking and a variety of largevehicles container vehicles reminder.Specification:Material: NylonColor: BlackVoltage: DC 12V-80VHorn Diameter: 70mmRated current: 300mAPower Output: 15WVolume: 105dBWaterproof rate: IP67Dimension: 70x40x69mmPackage Included:1 X Car Reversing Horn