This car reversing horn produces a Powerful Beeping Sound that is 105 Decibel ,it will be Louder in Practical Use.Easily catch everyones attention,is mainly used for reversing reminders of various vehicles; It is suitable for excavators, construction machinery, special vehicles, parking lots and various large vehicles.It can automatically adjust to a voltage range of 12-48 volt vehicles.Universal Mounting Bracket with Slotted Holes,can be Mounted Many Place in your Vehicle.

The reverse buzzer uses high quality diaphragm coils and nylon materials,very sturdy and durable, It can work in a variety of temperature environments,Waterproof housing with epoxy embedded electronics for protection against dust, vibration, moisture,ensures long time of using.

The installation and wiring are very convenient,splice a wire from the positive screw terminal to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice a wire to the ground(Negative wire).This car backup reverse beeper warning alarm can play a protective role when your wire is reversed or wrong.