Description: Waterproof, Sturdy and durable Easy to install, Long service life It can be protective when connect the wire inversely or wrong. All DC12-80V Vehicles Universal Mainly used for Car ,excavators, construction machinery, special vehicles, parking and a variety of large vehicles container vehicles reminder. Specification: Material: Nylon Color: Black Voltage: DC 12V-80V Dimension:70x40x69mm Horn Diameter: 70mm Rated current :300mA Power Output:15W Volume:105dB Waterproof rate: IP67 Package Includes: 1 x Car Reversing Horn